Global food systems transitions have enabled affordable diets but had less favourable outcomes for nutrition, environmental health, inclusion and equity
HLPE. Nutrition and Food Systems: A Report by the High Level Panel of Experts on Food Security and Nutrition of the Committee on World Food Security (FAO, 2017); https://www.fao.org/3/i7846e/i7846e.pdf
Béné, C. et al. Understanding food systems drivers: a critical review of the literature. Glob. Food Secur. 23, 149–159 (2019).
Reardon, T. et al. Rapid transformation of food systems in developing regions: highlighting the role of agricultural research & innovations. Agric. Syst. 172, 47–59 (2019).
Fanzo, J. et al. The Food Systems Dashboard is a new tool to inform better food policy. Nat. Food 1, 243–246 (2020).
Pingali, P. L. Green Revolution: impacts, limits, and the path ahead. Proc. Natl Acad. Sci. USA 109, 12302–12308 (2012).
de Waal, A. Mass Starvation: The History and Future of Famine (Polity, 2017).
Willett, W. et al. Food in the Anthropocene: the EAT–Lancet Commission on healthy diets from sustainable food systems. Lancet 393, 447–492 (2019).
Fanzo, J. et al. Viewpoint: rigorous monitoring is necessary to guide food system transformation in the countdown to the 2030 global goals. Food Policy 104, 102163 (2021).
Herrero, M. et al. Articulating the effect of food systems innovation on the Sustainable Development Goals. Lancet Planet. Health 5, e50–e62 (2021).
Marshall, Q. et al. Building a global food systems typology: a new tool for reducing complexity in food systems analysis. Front. Sustain. Food Syst. 5, 432 (2021).
Herforth, A. et al. Cost and Affordability of Healthy Diets Across and Within Countries: Background Paper for the State of Food Security and Nutrition in the World 2020 (FAO, 2020); https://doi.org/10.4060/cb2431en
Herforth, A. et al. A global review of food-based dietary guidelines. Adv. Nutr. 10, 590–605 (2019).
FAO, IFAD, WFP & UNICEF. The State of Food Security and Nutrition in the World 2020 (FAO, IFAD, UNICEF, WFP and WHO, 2020); https://doi.org/10.4060/ca9692en
Poverty and Shared Prosperity 2018: Piecing Together the Poverty Puzzle (World Bank, 2018); https://elibrary.worldbank.org/doi/pdf/10.1596/978-1-4648-1330-6
The State of Food Security and Nutrition in the World 2021: Transforming Food Systems for Food Security, Improved Nutrition and Affordable Healthy Diets for All (FAO, IFAD, UNICEF, WFP and WHO, 2021); http://www.fao.org/publications/sofi/2021
Gibson, J. Poverty measurement: we know less than policy makers realize. Asia Pac. Policy Stud. 3, 430–442 (2016).
Gibson, J. The crisis in food price data. Glob. Food Secur. 2, 97–103 (2013).
Gibson, J. & Kim, B. Economies of scale, bulk discounts, and liquidity constraints: comparing unit value and transaction level evidence in a poor country. Rev. Econ. Househ. 16, 21–39 (2018).
Bai, Y., Alemu, R., Block, S. A., Headey, D. & Masters, W. A. Cost and affordability of nutritious diets at retail prices: evidence from 177 countries. Food Policy 99, 101983 (2021).
Geyik, O., Hadjikakou, M., Karapinar, B. & Bryan, B. A. Does global food trade close the dietary nutrient gap for the world’s poorest nations? Glob. Food Secur. 28, 100490 (2021).
Agricultural Policy Monitoring and Evaluation 2020 (OECD, 2020); https://www.oecd-ilibrary.org/agriculture-and-food/agricultural-policy-monitoring-and-evaluation-2020_928181a8-en
Jayasena, V. & Abbas, S. Pulses: poor man’s food or future super food? Food Aust. 68(3), 32 (2016). https://search.informit.org/doi/10.3316/ielapa.181036392970268
Shah, P., Dhir, A., Joshi, R. & Tripathy, N. Drivers and barriers in the consumption of alternative staples: a systematic literature review and future research agenda. Br. Food J. 123, 3726–3759 (2021).
Wiggins, S. & Keats, S. Looking Back, Peering Forward: Food Prices & the Food Price Spike of 2007/08 (ODI, 2013); https://cdn.odi.org/media/documents/8459.pdf
Hoddinott, J., Sandstrom, S. & Upton, J. The impact of cash and food transfers: evidence from a randomized intervention in Niger. Am. J. Agric. Econ. 100, 1032–1049 (2018).
Muhammad, A., D’Souza, A., Meade, B., Micha, R. & Mozaffarian, D. How income and food prices influence global dietary intakes by age and sex: evidence from 164 countries. BMJ Glob. Health 2, e000184 (2017).
Delgado, C., Rosegrant, M. W. & Meijer, S. Livestock to 2020: the revolution continues (2001).
Delgado, C., Rosegrant, M., Steinfeld, H., Ehui, S. & Courbois, C. Livestock to 2020: the next food revolution. Outlook Agric. 30, 27–29 (2001).
Gelbard, E. & Nagayasu, J. Determinants of Angola’s Parallel Market Real Exchange Rate (International Monetary Fund, 1999).
Shaxson, N. Angola’s quadruple bonanza: where did all the money go? Extr. Ind. Soc. 7, 1271–1277 (2020).
Clark, S. E., Hawkes, C., Murphy, S. M. E., Hansen-Kuhn, K. A. & Wallinga, D. Exporting obesity: US farm and trade policy and the transformation of the Mexican consumer food environment. Int. J. Occup. Environ. Health 18, 53–64 (2012).
Thow, A. M. & Hawkes, C. The implications of trade liberalization for diet and health: a case study from Central America. Glob. Health 5, 5 (2009). https://doi.org/10.1186/1744-8603-5-5
The State of Agricultural Commodity Markets 2020 (FAO, 2020); https://doi.org/10.4060/cb0665en
Kawabata, M., Berardo, A., Mattei, P. & de Pee, S. Food security and nutrition challenges in Tajikistan: opportunities for a systems approach. Food Policy 96, 101872 (2020).
Lerman, Z. & Sedik, D. The Economic Effects of Land Reform in Tajikistan (FAO, 2008); https://www.fao.org/3/aq331e/aq331e.pdf
Bobokhonov, A., Pokrivcak, J. & Rajcaniova, M. The impact of agricultural and trade policies on price transmission: the case of Tajikistan and Uzbekistan. J. Int. Trade Econ. Dev. 26, 677–692 (2017).
Elhakim, N., Laillou, A., El Nakeeb, A., Yacoub, R. & Shehata, M. Fortifying baladi bread in Egypt: reaching more than 50 million people through the subsidy program. Food Nutr. Bull. 33, S260–S271 (2012).
Ahmed, A. U., Bouis, H. E., Gutner, T. & Löfgren, H. The Egyptian food subsidy system: structure, performance, and options for reform. Food Nutr. Bull. 23, 423–424 (2002).
Fuglie, K., Dhehibi, B., El Shahat, A. A. I. & Aw-Hassan, A. Water, policy, and productivity in Egyptian agriculture. Am. J. Agric. Econ. 103, 1378–1397 (2021).
World Development Report 2008: Agriculture for Development (World Bank, 2007); https://doi.org/10.1596/978-0-8213-6807-7
Binswanger, H. P. India 1960–2010: Structural Change, the Rural Nonfarm Sector, and the Prospects for Agriculture FSI Stanford Symposium (Stanford Univ., 2012).
Masters, W. A. et al. Urbanization and farm size in Asia and Africa: implications for food security and agricultural research. Glob. Food Secur. 2, 156–165 (2013).
Reardon, T., Timmer, C. P., Tschirley, D. L., Haggblade, S. & Minten, B. Five inter-linked transformations in the African agrifood economy: food security implications. Glob. Food Secur. 3, 108–117 (2014).
Reardon, T., Lu, L. & Zilberman, D. Links among innovation, food system transformation, and technology adoption, with implications for food policy: overview of a special issue. Food Policy 83, 285–288 (2019).
Haggblade, S., Hazell, P. & Reardon, T. The rural non-farm economy: prospects for growth and poverty reduction. World Dev. 38, 1429–1441 (2010).
Schneider, K. R. & Gugerty, M. K. Agricultural productivity and poverty reduction: linkages and pathways. Libraries Test Journal. (2011); https://journals.lib.washington.edu/index.php/ltj/article/download/12259/10797
Sheely, M. Global adoption of convenience foods. Am. J. Agric. Econ. 90, 1356–1365 (2008).
Reardon, T., Timmer, C. P. & Minten, B. Supermarket revolution in Asia and emerging development strategies to include small farmers. Proc. Natl Acad. Sci. USA 109, 12332–12337 (2012).
Pingali, P. Westernization of Asian diets and the transformation of food systems: implications for research and policy. Food Policy 32, 281–298 (2007).
Popkin, B. M. Global nutrition dynamics: the world is shifting rapidly toward a diet linked with noncommunicable diseases. Am. J. Clin. Nutr. 84, 289–298 (2006).
Lowder, S. K., Sánchez, M. V. & Bertini, R. Which farms feed the world and has farmland become more concentrated? World Dev. 142, 105455 (2021).
Giron-Nava, A. et al. Sustainable fisheries are essential but not enough to ensure well-being for the world’s fishers. Fish Fish. 22, 812–821 (2021).
Renkin, T., Montialoux, C. & Siegenthaler, M. The pass-through of minimum wages into US retail prices: evidence from supermarket scanner data. Rev. Econ. Stat. https://doi.org/10.1162/rest_a_00981 (2020).
Béné, C. & Friend, R. M. Poverty in small-scale fisheries: old issue, new analysis. Prog. Dev. Stud. 11, 119–144 (2011).
Freeman, R. B. in Handbook of Development Economics (eds Rodrik, D. & Rosenzweig, M.) Vol. 5, 4657–4702 (Elsevier, 2010).
Palumbo, L. & Sciurba, A. The Vulnerability to Exploitation of Women Migrant Workers in Agriculture in the EU: The Need for a Human Rights and Gender Based Approach (European Parliament, 2018); https://cadmus.eui.eu/bitstream/handle/1814/55444/IPOL_STU%282018%29604966_EN.pdf?sequence=1&isAllowed=y
Battersby, J., Marshak, M. & Mngqibisa, N. Mapping the invisible: the informal food economy of Cape Town, South Africa. Afr. Food Secur. Urban Netw. 5, 8–26 (2016).
Blekking, J., Waldman, K., Tuholske, C. & Evans, T. Formal/informal employment and urban food security in sub-Saharan Africa. Appl. Geogr. 114, 102131 (2020).
Lincoln, E. Accountability for pesticide poisoning of undocumented farmworkers. Hastings Environ. Law J. 24, 383–412 (2018).
Christiaensen, L., Rutledge, Z. & Taylor, J. E. Viewpoint: the future of work in agri-food. Food Policy 99, 101963 (2021).
Yeboah, F. K. & Jayne, T. S. Africa’s evolving employment trends. J. Dev. Stud. 54, 803–832 (2018).
Zhllima, E., Rama, K. & Imami, D. Agriculture land markets in transition—the inherited challenge of the post-communist land reform in Albania. Land Use Policy 107, 105509 (2021).
Kilic, T., Carletto, C., Miluka, J. & Savastano, S. Rural nonfarm income and its impact on agriculture: evidence from Albania. Agric. Econ. 40, 139–160 (2009).
McCarthy, N., Carletto, C., Kilic, T. & Davis, B. Assessing the impact of massive out-migration on Albanian agriculture. Eur. J. Dev. Res. 21, 448–470 (2009).
Sikor, T., Müller, D. & Stahl, J. Land fragmentation and cropland abandonment in Albania: implications for the roles of state and community in post-socialist land consolidation. World Dev. 37, 1411–1423 (2009).
Cornia, G. A. & World Institute for Development Economics Research. Falling Inequality in Latin America: Policy Changes and Lessons (Oxford Univ. Press, 2014).
Martínez Valle, L. Agribusiness, peasant agriculture and labour markets: Ecuador in comparative perspective. J. Agrar. Change 17, 680–693 (2017).
Idrovo Villagrán, J. V. Transformaciones Rurales y Agrarias en Ecuador (RIMISP, 2016); https://www.rimisp.org/wp-content/files_mf/1466656003179EcuadorESTUDIOTransformacionesRuralesyAgrariasenEcuadorJorgeIdrovo_editado.pdf
Córdova, R., Hogarth, N. J. & Kanninen, M. Sustainability of smallholder livelihoods in the Ecuadorian highlands: a comparison of agroforestry and conventional agriculture systems in the indigenous territory of Kayambi people. Land 7, 45 (2018).
Larrea, C. A. & Greene, N. in Dominant Elites in Latin America: From Neo-Liberalism to the ‘Pink Tide’ (eds North, L. L. & Clark, T. D.) 93-118 (Springer International, 2018); https://doi.org/10.1007/978-3-319-53255-4_4
McBurney, M., Tuaza, L. A., Ayol, C. & Johnson, C. A. Land and livelihood in the age of COVID-19: implications for indigenous food producers in Ecuador. J. Agrar. Change 21, 620–628 (2021).
Crippa, M. et al. Food systems are responsible for a third of global anthropogenic GHG emissions. Nat. Food 2, 198–209 (2021).
Popkin, B. M., Adair, L. S. & Ng, S. W. Global nutrition transition and the pandemic of obesity in developing countries. Nutr. Rev. 70, 3–21 (2012).
Herrero, M. et al. Livestock and the environment: what have we learned in the past decade? Annu. Rev. Environ. Resour. 40, 177–202 (2015).
Ramankutty, N. et al. Trends in global agricultural land use: implications for environmental health and food security. Annu. Rev. Plant Biol. 69, 789–815 (2018).
Vandevijvere, S. et al. Global trends in ultraprocessed food and drink product sales and their association with adult body mass index trajectories. Obes. Rev. 20, 10–19 (2019).
Chen, X. et al. Consumption of ultra-processed foods and health outcomes: a systematic review of epidemiological studies. Nutr. J. 19, 86 (2020).
Reardon, T. et al. The processed food revolution in African food systems and the double burden of malnutrition. Glob. Food Secur. 28, 100466 (2021). https://doi.org/10.1016/j.gfs.2020.100466
Smith, L. P., Ng, S. W. & Popkin, B. M. Trends in US home food preparation and consumption: analysis of national nutrition surveys and time use studies from 1965–1966 to 2007–2008. Nutr. J. 12, 45 (2013).
Reardon, T. et al. Urbanization, Diet Change, and Transformation of Food Supply Chains in Asia (FAO, 2014); https://www.fao.org/fileadmin/templates/ags/docs/MUFN/DOCUMENTS/MUS_Reardon_2014.pdf
Sliwa, S. A., Must, A., Peréa, F. & Economos, C. D. Maternal employment, acculturation, and time spent in food-related behaviors among Hispanic mothers in the United States: evidence from the American Time Use Survey. Appetite 87, 10–19 (2015).
Pandey, B., Reba, M., Joshi, P. K. & Seto, K. C. Urbanization and food consumption in India. Sci. Rep. 10, 17241 (2020).
Swinburn, B. A. et al. The global syndemic of obesity, undernutrition, and climate change: the Lancet Commission report. Lancet 393, 791–846 (2019).
Popkin, B. M. & Ng, S. W. The nutrition transition to a stage of high obesity and noncommunicable disease prevalence dominated by ultra-processed foods is not inevitable. Obes. Rev. 23, e13366 (2022).
Baker, P. et al. Ultra-processed foods and the nutrition transition: global, regional and national trends, food systems transformations and political economy drivers. Obes. Rev. 21, e13126 (2020).
Afshin, A. et al. Health effects of dietary risks in 195 countries, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017. Lancet 393, P1958–P1972 (2019).
Lui, M. et al. Burden of ischemic heart disease in central Asian countries, 1990–2017. IJC Heart Vasc. 33, 100726 (2021).
WWF & Loken, B. Bending the Curve: The Restorative Power of Planet-Based Diets (WWF, 2020); https://www.worldwildlife.org/publications/bending-the-curve-the-restorative-power-of-planet-based-diets
Garnett, T. et al. Sustainable intensification in agriculture: premises and policies. Science 341, 33–34 (2013).
Herrero, M., Hugas, M., Lele, U., Wira, A. & Torero, M. Shift to Healthy and Sustainable Consumption Patterns: A Paper on Action Track 2 (Center for Development Research, 2021); https://bonndoc.ulb.uni-bonn.de/xmlui/handle/20.500.11811/9084
Kay, C. & Urioste, M. in A. Haroon Akram-Lodhi, Saturnino M. Borras, Cristóbal Kay (eds.) Land, Poverty and Livelihoods in an Era of Globalization (Routledge, 2006). Chapter 2, page 41-79.
Weeks, D. Land tenure in Bolivia. J. Land Public Util. Econ. 23, 321 (1947).
Thorp, R., Caumartin, C. & Gray-Molina, G. Inequality, ethnicity, political mobilisation and political violence in Latin America: the cases of Bolivia, Guatemala and Peru. Bull. Lat. Am. Res. 25, 453–480 (2006). https://doi.org/10.1111/j.1470-9856.2006.00207.x
Flores, E. Land reform in Bolivia. Land Econ. 30, 112 (1954).
Killeen, T. J. et al. Total historical land-use change in eastern Bolivia: who, where, when, and how much? Ecol. Soc. 13, art36 (2008). http://www.ecologyandsociety.org/vol13/iss1/art36/
Gasparri, N. I. & de Waroux, YleP. The coupling of South American soybean and cattle production frontiers: new challenges for conservation policy and land change science. Conserv. Lett. 8, 290–298 (2015).
Henders, S., Persson, U. M. & Kastner, T. Trading forests: land-use change and carbon emissions embodied in production and exports of forest-risk commodities. Environ. Res. Lett. 10, 125012 (2015).
Tropical Deforestation and Climate Change (Instituto de Pesquisa Ambiental da Amazônia, Environmental Defense, 2005).
Kollnig, S. Chicken for everyone? A cultural political economy of the popularity of chicken meat in Bolivia. Gastronomica 20, 36–48 (2020).
Peperkamp, M. Fact-Finding Agro-food Bolivia: With a Special Focus on Santa Cruz Region (Netherlands Enterprise Agency, 2017); https://www.rvo.nl/sites/default/files/2017/06/FACTFINDING%20BOLIVIA%20-%20final%20version.pdf
Neff, R. A., Palmer, A. M., McKenzie, S. E. & Lawrence, R. S. Food systems and public health disparities. J. Hunger Environ. Nutr. 4, 282–314 (2009).
Satia, J. A. Diet-related disparities: understanding the problem and accelerating solutions. J. Am. Diet. Assoc. 109, 610–615 (2009).
Wang, L. et al. Disparities in health and economic burdens of cancer attributable to suboptimal diet in the United States, 2015‒2018. Am. J. Public Health 111, 2008–2018 (2021).
Alkon, A. H., Bowen, S., Kato, Y. & Young, K. A. Unequally vulnerable: a food justice approach to racial disparities in COVID-19 cases. Agric. Hum. Values 37, 535–536 (2020).
Zhang, F. F. et al. Trends and disparities in diet quality among US adults by supplemental nutrition assistance program participation status. JAMA Netw. Open 1, e180237 (2018).
Desbouys, L., Méjean, C., Henauw, S. D. & Castetbon, K. Socio-economic and cultural disparities in diet among adolescents and young adults: a systematic review. Public Health Nutr. 23, 843–860 (2020).
Kris‐Etherton, P. M. et al. Barriers, opportunities, and challenges in addressing disparities in diet‐related cardiovascular disease in the United States. J. Am. Heart Assoc. 9, e014433 (2020).
U.S. Census Bureau QuickFacts: United States (US Census Bureau, 2021); https://www.census.gov/quickfacts/fact/table/US/RHI725219
Farm Labor (US Department of Agriculture, Economic Research Service, 2021); https://www.ers.usda.gov/topics/farm-economy/farm-labor/
Ornelas, I., Fung, W., Gabbard, S. & Carroll, D. Findings from the National Agricultural Workers Survey (NAWS) 2017–2018: A Demographic and Employment Profile of United States Farmworkers (JBS International, 2021); https://wdr.doleta.gov/research/FullText_Documents/ETAOP2021-22%20NAWS%20Research%20Report%2014%20(2017-2018)_508%20Compliant.pdf
Castillo, F. et al. Environmental health threats to Latino migrant farmworkers. Annu. Rev. Public Health 42, 257–276 (2021).
Arcury, T. A. et al. Housing and neighborhood characteristics and Latino farmworker family well-being. J. Immigr. Minor. Health 17, 1458–1467 (2015).
Padilla, Y. C., Scott, J. L. & Lopez, O. Economic insecurity and access to the social safety net among Latino farmworker families. Soc. Work 59, 157–165 (2014).
Blackstone, N. T., Norris, C. B., Robbins, T., Jackson, B. & Decker Sparks, J. L. Risk of forced labour embedded in the US fruit and vegetable supply. Nat. Food https://doi.org/10.1038/s43016-021-00339-0 (2021).
True Cost of Food: Measuring What Matters to Transform the U.S. Food System (Rockefeller Foundation, 2021); https://www.rockefellerfoundation.org/report/true-cost-of-food-measuring-what-matters-to-transform-the-u-s-food-system/
Packard, T. et al. Protecting All: Risk Sharing for a Diverse and Diversifying World of Work (World Bank, 2019).
Springmann, M. et al. The healthiness and sustainability of national and global food based dietary guidelines: modelling study. Brit. Med. J. 370, m2322 (2020).
Clifford Astbury, C., Aguirre, E., Cullerton, K., Monsivais, P. & Penney, T. L. How supportive is the global food supply of food-based dietary guidelines? A descriptive time series analysis of food supply alignment from 1961 to 2013. SSM Popul. Health 15, 100866 (2021).
Reinhardt, S. L. et al. Systematic review of dietary patterns and sustainability in the United States. Adv. Nutr. 11, 1016–1031 (2020).
He, P., Feng, K., Baiocchi, G., Sun, L. & Hubacek, K. Shifts towards healthy diets in the US can reduce environmental impacts but would be unaffordable for poorer minorities. Nat. Food 2, 664–672 (2021).
Lee, A. J., Cullerton, K. & Herron, L.-M. Achieving food system transformation: insights from a retrospective review of nutrition policy (in)action in high-income countries. Int. J. Health Policy Manage. 10, 766–783 (2021).
Proven Successes in Agricultural Development: A Technical Compendium to Millions Fed (International Food Policy Research Institute, 2010).
2020 Global Nutrition Report: Action on Equity to End Malnutrition (Development Initiatives, 2020).
Report on the Twentieth Session (12–16 March 2018) (Committee on Development Policy, 2018); https://undocs.org/pdf?symbol=en/E/2018/33
Loboguerrero, A. M. et al. Food and Earth systems: priorities for climate change adaptation and mitigation for agriculture and food systems. Sustainability 11, 1372 (2019).
Rosenzweig, C. et al. Climate change responses benefit from a global food system approach. Nat. Food 1, 94–97 (2020). https://doi.org/10.1038/s43016-020-0031-z
Gaupp, F. et al. Food system development pathways for healthy, nature-positive and inclusive food systems. Nat. Food 2, 928–934 (2021).
Hirvonen, K., Bai, Y., Headey, D. & Masters, W. A. Affordability of the EAT–Lancet reference diet: a global analysis. Lancet Glob. Health 8, e59–e66 (2020).
World Development Indicators (World Bank, 2021); http://data.worldbank.org/products/wdi
International Comparison Program (ICP) (World Bank); http://www.worldbank.org/en/programs/icp
FAOSTAT (FAO, accessed 22 October 2021); http://faostat3.fao.org/home/E
International Agricultural Productivity (USDA ERS, accessed 22 October 2021); https://www.ers.usda.gov/data-products/international-agricultural-productivity/
ILOSTAT Database (International Labour Organization, 2021, accessed 14 September 2021); https://ilostat.ilo.org/data/
ILOSTAT: Indicator Description—Employment by Economic Activity (International Labour Organization, 2020); https://ilostat.ilo.org/resources/concepts-and-definitions/description-employment-by-economic-activity/
ILOSTAT: International Standard Industrial Classification of All Economic Activities (ISIC) (International Labour Organization); https://ilostat.ilo.org/resources/concepts-and-definitions/classification-economic-activities/
Cattaneo, A., Nelson, A. & McMenomy, T. Global mapping of urban–rural catchment areas reveals unequal access to services. Proc. Natl Acad. Sci. USA 118, e2011990118 (2021).
Herrero, M. et al. Farming and the geography of nutrient production for human use: a transdisciplinary analysis. Lancet Planet. Health 1, e33–e42 (2017).
Poore, J. & Nemecek, T. Reducing food’s environmental impacts through producers and consumers. Science 360, 987–992 (2018).
Haddad, L. J. et al. Global Nutrition Report 2015: Actions and Accountability to Advance Nutrition and Sustainable Development (International Food Policy Research Institute, 2015).
World Urbanization Prospects: The 2018 Revision (United Nations, Department of Economic and Social Affairs, & Population Division, 2019).
