Populations of Ireland and Europe, showing a steep decline in Ireland in the years surrounding the Potato Famine

Wheat yields in developing countries from 1950 to 2004, showing the dramatic impact of the Green Revolution
Source: Food and Agriculture Organization of the United Nations

Worldwide maize production in 2000
Source: Compiled by the University of Minnesota Institute on the Environment with data from: Monfreda, C., N. Ramankutty, and J.A. Foley.

Worldwide wheat production in 2000
Source: Compiled by the University of Minnesota Institute on the Environment with data from: Monfreda, C., N. Ramankutty, and J.A. Foley.

Food types in the world average diet, 1988-1990
Source: Food and Agriculture Organization of the United Nations

Per capita food production worldwide, 1961-2005
Source: Food and Agriculture Organization of the United Nations