Life expectancy varies across countries depending on diet, lifestyle, and socio-economic conditions. In 2025, the global average life expectancy stands at 73.4 years; however, the leading countries exceed this figure by more than a decade.
1. Japan
Life Expectancy: 84.7 years
Key Factors: A universal healthcare system, a diet rich in fish and vegetables, and a low obesity rate (4.3%). Japan allocates 11% of its GDP (approximately USD 600 billion) to healthcare and has 13.2 hospital beds per 1,000 people.
2. Switzerland
Life Expectancy: 84 years
Key Factors: An advanced healthcare system, high GDP per capita (USD 92,000), and an active lifestyle including hiking and skiing. Low smoking rates (10%) and clean air contribute positively to public health.
3. Spain
Life Expectancy: 83.8 years
Key Factors: The Mediterranean diet rich in olive oil and seafood, and a universal healthcare system with 3.2 physicians per 1,000 people. Strong social ties and the tradition of siesta help reduce stress levels.
4. Italy
Life Expectancy: 83.6 years
Key Factors: The Mediterranean diet, low obesity rate (10%), and an effective healthcare system (8.8% of GDP). Sardinia, recognized as a “Blue Zone,” is notable for its high proportion of centenarians.
5. Australia
Life Expectancy: 83.4 years
Key Factors: High-quality healthcare, an active outdoor lifestyle, and low pollution levels. Australia invests USD 180 billion annually in healthcare and has 5 physicians per 1,000 people.
6. Sweden
Life Expectancy: 83.2 years
Key Factors: Universal healthcare, high income per capita, and strong work-life balance, including the cultural tradition of “fika” (coffee breaks).
7. Iceland
Life Expectancy: 83.1 years
Key Factors: Clean energy, low pollution, and a fish-rich diet. The healthcare system covers 85% of medical expenses and provides 4 physicians per 1,000 people.
8. South Korea
Life Expectancy: 83 years
Key Factors: Rapid advancements in healthcare, a diet rich in fermented foods such as kimchi, and healthcare spending of approximately USD 4,000 per capita.
9. Norway
Life Expectancy: 82.9 years
Key Factors: High GDP per capita (USD 89,000), universal healthcare, and an active lifestyle including skiing. The obesity rate remains among the lowest (12%).
10. Singapore
Life Expectancy: 82.8 years
Key Factors: An efficient healthcare system, low smoking rates (10%), and proactive public health policies aimed at reducing obesity contribute to longevity.
AzEns.org.az/ Jalya Orujeva