Figures & data
![Fig. 1 The per capita production of food in Asia, Latin America and Sub-Saharan Africa, 1961-2011 Source: FOASTAT [Citation14].](/cms/asset/9bc0ed86-596f-473f-a1d8-80951b41b003/tjls_a_12128410_f0001_ob.jpg)
![Fig. 2 Observed and expected population growth in Sub-Saharan Africa, 1950-2100 (billions of people) Source: United Nations, World Population Database [Citation23].](/cms/asset/dcc10664-62a0-4f4f-80f4-8cab9f374339/tjls_a_12128410_f0002_ob.jpg)
![Fig. 3 Tsetse infested parts of Sub-Saharan Africa Source: Alsan [Citation31]..](/cms/asset/4d4117e3-aaf5-47e5-8226-3f2a7fe7bc9a/tjls_a_12128410_f0003_ob.jpg)
![Fig. 4 Real wages of urban unskilled workers in Calcutta, New Delhi and Accra, 1870-2000 (1 = subsistence level) Source: Frankema and van Waijenburg [Citation41,Citation51].](/cms/asset/54096a40-a908-4e48-b609-c96f014940b5/tjls_a_12128410_f0004_ob.jpg)
![Fig. 5 Historical price index of wheat in the US and UK (1901-05 = 100) Source: Data from Koning and van Ittersum [Citation76].](/cms/asset/b8e62374-3a5a-44c8-bf2b-4cbc5a7df9b0/tjls_a_12128410_f0005_ob.jpg)
![Fig. 6 FAO Food Price Index, 1990-2013 Source: FAOSTAT [Citation14].Footnote 8 .](/cms/asset/4b918095-831d-47f8-af42-b52316579a41/tjls_a_12128410_f0006_ob.jpg)
![Fig. 7 Rice yields (paddy) in Benin and Rwanda, tonnes per hectare, 1961-2011 Source: FAOSTAT [Citation14].](/cms/asset/ab7cb286-5d8b-4f96-8d6a-99f570c7f5f0/tjls_a_12128410_f0007_ob.jpg)
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