As of 2021, according to the World Health Organization (WHO), the top 10 countries with the highest life expectancy are:
1. Japan – 84.6 years
2. Hong Kong SAR – 84.4 years
3. Switzerland – 83.9 years
4. Singapore – 83.8 years
5. Italy – 83.6 years
6. Spain – 83.5 years
7. Australia – 83.3 years
8. Iceland – 82.9 years
9. Israel – 82.8 years
10. Sweden – 82.7 years
Please note that life expectancy can vary slightly between different sources, and the rankings may fluctuate over time as the data is updated.