Countries with higher life expectancy typically have lower infant mortality rates, effective healthcare systems, and healthier lifestyles. Based on estimates from the United Nations World Population Prospects 2024, the following is a list of the top 10 countries with the highest life expectancy at birth.
| Rank | Country | Life expectancy at birth (2023) |
|---|---|---|
| 1 | Monaco | 86.37 |
| 2 | San Marino | 85.71 |
| 3 | Japan | 84.71 |
| 4 | South Korea | 84.33 |
| 5 | Andorra | 84.04 |
| 6 | Switzerland | 83.95 |
| 7 | Australia | 83.92 |
| 8 | Singapore | 83.74 |
| 9 | Italy | 83.72 |
| 10 | Spain | 83.67 |
Monaco is the country with the highest life expectancy at birth (86.37 years), followed by San Marino (85.71 years) and Japan (84.71 years).
(Source: World Population Prospects 2024)

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