As food inflation and climate pressure continue to test household budgets worldwide, researchers and international agencies are warning that affordability, not just supply, is becoming the central food issue of the coming decades. The sharpest concern is in lower-income regions, where the latest global modeling and U.N. food-security data indicate millions could face food costs that absorb an extraordinary share of income by 2050. While the headline risk is global, the consequences are increasingly relevant to U.S. consumers because the same forces driving instability abroad are also affecting farm inputs, imports, and grocery pricing at home.
New projections put food affordability at the center of the 2050 debate
The most concrete recent warning comes from a 2026 economic modeling study indexed by FAO and published this year, which found that under some healthier-diet scenarios, food’s share of household expenditure in East and Central Africa could rise from 18% to 25% by 2050. The study also said that in parts of sub-Saharan Africa, food price increases could outpace wage gains for low-skilled workers, reducing real purchasing power, according to the FAO record for the paper.
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