| Country | Year | |||||
|---|---|---|---|---|---|---|
| Burma | 2031 | 31,495,046 | 32,096,590 | 63,591,636 | ||
| Brunei | 2031 | 254,153 | 275,835 | 529,988 | ||
| Cambodia | 2031 | 9,242,290 | 9,657,526 | 18,899,816 | ||
| Indonesia | 2031 | 141,552,236 | 141,249,545 | 282,801,781 | ||
| Laos | 2031 | 4,167,030 | 4,244,149 | 8,411,179 | ||
| Malaysia | 2031 | 18,326,195 | 18,069,779 | 36,395,974 | ||
| Philippines | 2031 | 62,482,106 | 62,260,455 | 124,742,561 | ||
| Singapore | 2031 | 3,521,780 | 3,729,872 | 7,251,652 | ||
| Thailand | 2031 | 33,611,073 | 35,460,499 | 69,071,572 | ||
| Timor-Leste | 2031 | 828,856 | 846,219 | 1,675,075 | ||
| Vietnam | 2031 | 52,598,991 | 52,162,758 | 104,761,749 |