Affordability of the EAT–Lancet reference diet
A global analysis
Bibliographic Data
| ID | 23375306 |
|---|---|
| Authors | Kalle Hirvonen (0000-0003-2057-1612), Yan Bai (0000-0001-5149-2197, Tufts University), Derek D Headey (0000-0003-2476-5131, International Food Policy Research Institute), Derek Headey, William A Masters (0000-0002-4546-7291, Tufts University, corresponding author) |
| Year | 2020 |
| Volume | 8 |
| Issue | 1 |
| Pages | e59-e66 |
| Publication date | 2020-01-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | The Lancet Global Health (JOURNAL) |
| Journal identifiers | ISSN: 2214-109X • E-ISSN: 2572-116X |
| Publisher | Elsevier BV (PUBLISHER) |
| DOI | 10.1016/s2214-109x(19)30447-4 |
| PMID | 31708415 |
| OpenAlex | W2986738893 |
| Language | EN |
| Citations received | 116 |
| References cited | 21 |
BACKGROUND: The EAT-Lancet Commission drew on all available nutritional and environmental evidence to construct the first global benchmark diet capable of sustaining health and protecting the planet, but it did not assess dietary affordability. We used food price and household income data to estimate affordability of EAT-Lancet benchmark diets, as a first step to guiding interventions to improve diets around the world. METHODS: We obtained retail prices from 2011 for 744 foods in 159 countries, collected under the International Comparison Program. We used these data to identify the most affordable foods to meet EAT-Lancet targets. We compared total diet cost per day to each country's mean per capita household income, calculated the proportion of people for whom the most affordable EAT-Lancet diet exceeds total income, and also measured affordability relative to a least-cost diet that meets essential nutrient requirements. FINDINGS: The most affordable EAT-Lancet diets cost a global median of US$2·84 per day (IQR 2·41-3·16) in 2011, of which the largest share was the cost of fruits and vegetables (31·2%), followed by legumes and nuts (18·7%), meat, eggs, and fish (15·2%), and dairy (13·2%). This diet costs a small fraction of average incomes in high-income countries but is not affordable for the world's poor. We estimated that the cost of an EAT-Lancet diet exceeded household per capita income for at least 1·58 billion people. The EAT-Lancet diet is also more expensive than the minimum cost of nutrient adequacy, on average, by a mean factor of 1·60 (IQR 1·41-1·78). INTERPRETATION: Current diets differ greatly from EAT-Lancet targets. Improving diets is affordable in many countries but for many people would require some combination of higher income, nutritional assistance, and lower prices. Data and analysis for the cost of healthier foods are needed to inform both local interventions and systemic changes. FUNDING: Bill & Melinda Gates Foundation.
Agricultural economics · Agricultural science · Biology · Business · Commission · Economics · Environmental health · Food group · Geography · Household income · Per capita · Population · Agriculture Sustainability and Environmental Impact · Climate Change and Health Impacts · Global Public Health Policies and Epidemiology · Medicine
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| Unique citing works | 116 |
|---|---|
| Citations per year | 19,33 |
| Citation span | 2020 - 2026 (7) |
| Citation velocity | current |
| Highly cited | Yes |
| Citation types | Neutral: 103 |