| Country | Area of trait (‘000 ha) | Yield assumption % change | Base yield (tonnes/ha) | Farm level price ($/tonne) | Cost of technology ($/ha) | Impact on costs, net of cost of technology ($/ha) | Change in farm income ($/ha) | Change in farm income at national level (‘000 $) | Production impact (‘000 tonnes) |
|---|---|---|---|---|---|---|---|---|---|
| US | 2,296 | +10 | 0.86 | 1,728 | -49.92 | -17.61 | +131.02 | +300,814 | +197 |
| China | 4,200 | +10 | 1.31 | 2,657 | -59.19 | +27.96 | +376.03 | +1,579,316 | +550 |
| South Africa | 8 | +24 | 0.31 | 1,285 | -35.75 | -22.58 | +73.02 | +555 | +1 |
| Australia | 399 | Zero | 2.05 | 2,239 | -290 | +244.3 | +244.3 | +97,425 | Zero |
| Mexico | 100 | +8.95 | 1.57 | 1,831 | -74.58 | -57.75 | +199.52 | +19,926 | +14 |
| Argentina | 484 | +30 | 0.38 | 2,443 | -21.25 | -32.36 | +310.81 | +150,431 | +55 |
| India | 11,000 | +24 | 0.46 | 1,572 | -13.66 | +18.03 | +191.57 | +2,107,291 | +1,214 |
| Colombia | 25 | +10 | 0.72 | 2,087 | -168.43 | -82.83 | +67.47 | +1,695 | +2 |
| Brazil | 440 | -1.84 | 1.52 | 1,995 | -30.89 | -6.63 | -49.15 | -21,669 | -12 |
| Burkina Faso | 386 | +18.15 | 0.42 | 1,285 | -53.48 | -0.9 | +97.06 | +37,502 | +29 |
| Pakistan | 2,800 | +22 | 1.06 | 537 | -3.99 | +6.03 | +131.33 | +367,718 | +653 |
| Burma | 255 | +30 | 0.74 | 537 | -20 | -9.98 | +109.30 | +27,871 | +57 |
Note price is for lint, except in Burma and Pakistan which is for seed