India is estimated to be the most populous country in the world, more the 4.2 times larger then the United States of America.
| Rank |
Country |
Population in Millions |
Population annual doubling time, years |
Percent of World Population |
Relative to US Population |
| 1 |
India |
1,428.6 |
75 |
17.76% |
420.2% |
| 2 |
China |
1,425.7 |
– |
17.72% |
419.3% |
| 3 |
United States of America |
340.0 |
129 |
4.23% |
100.0% |
| 4 |
Indonesia |
277.5 |
84 |
3.45% |
81.6% |
| 5 |
Pakistan |
240.5 |
35 |
2.99% |
70.7% |
| 6 |
Nigeria |
223.8 |
29 |
2.78% |
65.8% |
| 7 |
Brazil |
216.4 |
121 |
2.69% |
63.6% |
| 8 |
Bangladesh |
173.0 |
68 |
2.15% |
50.9% |
| 9 |
Russian Federation |
144.4 |
– |
1.79% |
42.5% |
| 10 |
Mexico |
128.5 |
94 |
1.60% |
37.8% |
| 11 |
Ethiopia |
126.5 |
28 |
1.57% |
37.2% |
| 12 |
Japan |
123.3 |
– |
1.53% |
36.3% |
| 13 |
Philippines |
117.3 |
46 |
1.46% |
34.5% |
| 14 |
Egypt |
112.7 |
45 |
1.40% |
33.1% |
| 15 |
Democratic Republic of the Congo |
102.3 |
21 |
1.27% |
30.1% |
| 16 |
Viet Nam |
98.9 |
105 |
1.23% |
29.1% |
| 17 |
Iran (Islamic Republic of) |
89.2 |
94 |
1.11% |
26.2% |
| 18 |
Türkiye |
85.8 |
132 |
1.07% |
25.2% |
| 19 |
Germany |
83.3 |
– |
1.04% |
24.5% |
| 20 |
Thailand |
71.8 |
– |
0.89% |
21.1% |