| Rate of Improvement in WUE | Food Item | Bangladesh | India | Nepal | Pakistan | Sri Lanka | Rest of South Asia |
| 10% | Crops | 239 | 1144 | 9 | 1040 | −24 | 47 |
| Livestock Products | −2 | 59 | 3 | −37 | −1 | 15 | |
| Processed food | 53 | 987 | 13 | −206 | 12 | 74 | |
| Total | 290 | 2189 | 25 | 797 | −13 | 136 | |
| 20% | Crops | 459 | 2179 | 14 | 1992 | −41 | 85 |
| Livestock Products | −4 | 107 | 6 | −67 | −1 | 26 | |
| Processed food | 101 | 1808 | 23 | −388 | 21 | 128 | |
| Total | 556 | 4094 | 43 | 1538 | −21 | 239 | |
| 30% | Crops | 662 | 3118 | 16 | 2843 | −54 | 118 |
| Livestock Products | −6 | 147 | 7 | −91 | −1 | 34 | |
| Processed food | 142 | 2500 | 29 | −544 | 29 | 166 | |
| Total | 798 | 5765 | 53 | 2208 | −26 | 317 | |
| 40% | Crops | 848 | 3974 | 17 | 3567 | −64 | 140 |
| Livestock Products | −8 | 181 | 8 | −110 | −1 | 39 | |
| Processed food | 176 | 3087 | 34 | −672 | 36 | 189 | |
| Total | 1017 | 7242 | 59 | 2784 | −30 | 368 |