Here’s the Top 40 Countries in the World by Population (2020) – The Most Populous Countries
| 1 | China | 1,439,323,774 |
| 2 | India | 1,380,004,385 |
| 3 | United States of America | 331,002,647 |
| 4 | Indonesia | 273,523,621 |
| 5 | Pakistan | 220,892,331 |
| 6 | Brazil | 212,559,409 |
| 7 | Nigeria | 206,139,587 |
| 8 | Bangladesh | 164,689,383 |
| 9 | Russia | 145,934,460 |
| 10 | Mexico | 128,932,753 |
| 11 | Japan | 126,476,458 |
| 12 | Ethiopia | 114,963,583 |
| 13 | Philippines | 109,581,085 |
| 14 | Egypt | 102,334,403 |
| 15 | Viet Nam | 97,338,583 |
| 16 | Congo, Democratic Rep. | 89,561,404 |
| 17 | Turkey | 84,339,067 |
| 18 | Iran (Islamic Republic of) | 83,992,953 |
| 19 | Germany | 83,783,945 |
| 20 | Thailand | 69,799,978 |
| 21 | United Kingdom | 67,886,004 |
| 22 | France | 65,273,512 |
| 23 | Italy | 60,461,828 |
| 24 | Tanzania, United Rep. of | 59,734,213 |
| 25 | South Africa | 59,308,690 |
| 26 | Myanmar | 54,409,794 |
| 27 | Kenya | 53,771,300 |
| 28 | Korea, Republic of | 51,269,183 |
| 29 | Colombia | 50,882,884 |
| 30 | Spain | 46,754,783 |
| 31 | Uganda | 45,741,000 |
| 32 | Argentina | 45,195,777 |
| 33 | Algeria | 43,851,043 |
| 34 | Sudan | 43,849,269 |
| 35 | Ukraine | 43,733,759 |
| 36 | Iraq | 40,222,503 |
| 37 | Afghanistan | 38,928,341 |
| 38 | Poland | 37,846,605 |
| 39 | Canada | 37,742,157 |
| 40 | Morocco | 36,910,558 |
