Table 1. Increase in sweetpotato production in East and Central African countries, production data for 1985 and 30 years later for 2015.
| Country | Area | Yield | Production | Population | Per annum | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| per year | ||||||||||
| x 1000 ha | tons per ha | x 1000 tons | millions | kg per capita | ||||||
| 1985 | 2015 | 1985 | 2015 | 1985 | 2015 | 1985 | 2015 | 1985 | 2015 | |
| Burundi | 87.0 | 58.6 | 6.4 | 9.9 | 555.0 | 580.9 | 4.7 | 10.2 | 118.0 | 57.0 |
| Kenya | 50.0 | 72.2 | 9.9 | 17.1 | 488.0 | 1232.3 | 19.7 | 47.2 | 24.8 | 26.1 |
| Rwanda | 135.9 | 139.7 | 7.1 | 6.7 | 979.5 | 931.0 | 6.1 | 11.6 | 160.1 | 80.1 |
| Uganda | 358.7 | 454.5 | 4.6 | 4.5 | 1664.0 | 2045.2 | 14.7 | 40.1 | 113.6 | 50.9 |
| Tanzania | 290.0 | 746.6 | 4.6 | 12.5 | 303.0 | 3454.5 | 21.8 | 53.9 | 13.9 | 64.1 |
| Average | 184.3 | 294.3 | 6.5 | 10.1 | 797.9 | 1648.8 | 13.4 | 32.6 | 86.1 | 55.6 |
| Increase | 1.60 | 1.06 | 2.07 | 2.44 | 30.45 | |||||
Source: FAOstat, 2016