Sources of growth in global agricultural output, 1961-2011

Total output growth (average annual percent change)

Stacked Bar chart with 5 groups and 4 items per group.

Decade Improvements in total factor productivity More inputs per acre Expansion of irrigation to cropland Expansion of agricultural land
1961-70 0.22 1.8 0.14 0.58
1971-80 0.61 1.17 0.17 0.36
1981-90 0.66 0.88 0.14 0.44
1991-00 1.67 0.18 0.11 0.21
2002-11 1.69 0.41 0.08 0.36

 

Source: USDA, Economic Research Service, International Agricultural Productivity data product.