Top 10 Countries with the Highest Populations in 2015
| Country | Population – 2015 (millions) |
|---|---|
| China | 1,372 |
| India | 1,314 |
| United States | 321 |
| Indonesia | 256 |
| Brazil | 205 |
| Pakistan | 199 |
| Nigeria | 182 |
| Bangladesh | 160 |
| Russia | 144 |
| Mexico | 127 |
Note: World population: 7.3 billion
Source: Population Reference Bureau
Top 10 Countries with the Highest Populations by 2050
| Country | Population 2050 (millions) |
|---|---|
| India | 1,660 |
| China | 1,366 |
| United States | 398 |
| Nigeria | 397 |
| Indonesia | 366 |
| Pakistan | 344 |
| Brazil | 226 |
| Bangladesh | 202 |
| D R Congo | 194 |
| Ethiopia | 165 |
Source: Population Reference Bureau