| Rank | Country | Population |
|---|---|---|
| 1 |  India
|
1,639,176,033 |
| 2 |  China
|
1,402,405,170 |
| 3 |  Nigeria
|
401,315,000 |
| 4 |  United States
|
379,419,102 |
| 5 |  Pakistan
|
338,013,196 |
| 6 |  Indonesia
|
330,904,664 |
| 7 |  Brazil
|
228,980,400 |
| 8 |  Ethiopia
|
205,410,675 |
| 9 |  Bangladesh
|
201,928,364 |
| 10 |  DR Congo
|
197,440,635 |
| 11 |  Mexico
|
164,283,446 |
| 12 |  Egypt
|
159,956,808 |
| 13 |  Philippines
|
151,302,742 |
| 14 |  Tanzania
|
138,106,650 |
| 15 |  Russia
|
132,702,850 |
| 16 |  Vietnam
|
114,652,982 |
| 17 |  Japan
|
108,733,518 |
| 18 |  Uganda
|
105,930,945 |
| 19 |  Iran
|
103,098,075 |
| 20 |  Turkey
|
97,139,570 |