Food Prices Through History
Real food prices have been on a long-run downward trend since the 1960s — but with major spikes in 1973-75, 2007-08, 2010-11, and 2021-22. The FAO Food Price Index combined the 2022 spike with the COVID supply shock to reach the highest real reading in 60 years. Each price spike has produced political instability in food-importing countries.
Key insights
Long-run trend is downward
Real food prices (inflation-adjusted) have fallen ~30-40% from 1960 to 2020. Drivers: agricultural productivity gains (Green Revolution, mechanization, better seeds), trade expansion, larger farm scale, declining shipping costs. The fall has been uneven — sudden price spikes have repeatedly interrupted the trend — but the long-run direction is clearly down.
2008 and 2022 were the modern food crises
2007-08 food price spike: doubled grain prices in 18 months. Drivers: biofuel mandates, low stocks, drought, speculation, dollar weakness, export bans. Produced political instability in 60+ countries. 2010-11: smaller spike contributing to Arab Spring. 2022: Russia-Ukraine war, fertilizer disruption, post-COVID demand recovery. Each spike has shown food-importing countries' vulnerability to global market shocks.
Stocks-to-use ratio is the key vulnerability
Grain stocks-to-use ratio (how many months of consumption are held in storage) was historically 25-30%. It fell below 20% in 2007-08 — the structural condition for the price spike. China's strategic reserves are the largest globally and dampen volatility; commercial stocks in Western countries have fallen. Stock levels are the early-warning indicator for food price spikes.
FAO Food Price Index 1990–2024
Nominal index, 2014-2016 = 100
Key Finding: Three major spikes: 2008, 2011, 2022. 2022 reached the highest reading in series history.
Real food prices long-run trend 1961–2024
FAO Real Food Price Index (deflated by US CPI), 2014-2016 = 100
Key Finding: Decline from 165 (1974) to ~90 (2020) before the 2022 spike. Long-run direction is downward.
Methodology & caveats
FAO Food Price Index
FAO FPI is a weighted average of five commodity price indices: cereals, vegetable oils, meat, dairy, sugar. Weights based on 2014-2016 trade shares. Monthly index since 1990. Real index uses World Bank Manufactures Unit Value Index to deflate. The FPI captures international traded-food prices; consumer prices in importing countries can differ substantially due to tariffs, taxes, and distribution costs.
Why food prices spike
Inelastic demand (people need to eat regardless of price) combined with sticky short-run supply (crops take a season to grow) means small supply shocks produce large price moves. Stock levels buffer this — but stocks have fallen as commercial inventory management has become more efficient. Adding speculation, biofuel mandates linking food to oil prices, and export bans creates conditions for the modern spikes.
Importer vulnerability
Net food-importing countries (Egypt, Bangladesh, Nigeria, parts of West Africa) face direct exposure to global price spikes. Egypt's wheat imports are ~12Mt/year, mostly from Russia and Ukraine. Sustained spikes hit consumer prices, government subsidy costs, and political stability. The 2022 spike worsened food insecurity in 50+ countries.