| # | Country | Population (2023) | Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Mexico | 128,455,567 | 1,943,950 | 66 |
| 2 | Myanmar (formerly Burma) | 54,577,997 | 653,290 | 84 |
| 3 | Morocco | 37,840,044 | 446,300 | 85 |
| 4 | Malaysia | 34,308,525 | 328,550 | 104 |
| 5 | Mozambique | 33,897,354 | 786,380 | 43 |
| 6 | Madagascar | 30,325,732 | 581,795 | 52 |
| 7 | Mali | 23,293,698 | 1,220,190 | 19 |
| 8 | Malawi | 20,931,751 | 94,280 | 222 |
| 9 | Mauritania | 4,862,989 | 1,030,700 | 5 |
| 10 | Mongolia | 3,447,157 | 1,553,560 | 2 |
| 11 | Moldova | 3,435,931 | 32,850 | 105 |
| 12 | Mauritius | 1,300,557 | 2,030 | 641 |
| 13 | Montenegro | 626,485 | 13,450 | 47 |
| 14 | Micronesia | 544,321 | 700 | 778 |
| 15 | Malta | 535,064 | 320 | 1,672 |
| 16 | Maldives | 521,021 | 300 | 1,737 |
| 17 | Marshall Islands | 41,996 | 180 | 233 |
| 18 | Monaco | 36,297 | 1 | 24,360 |
