Longest Life Expectancy by Country: Top List Revealed

TEMPO.CO, Jakarta - Did you know that where you live can significantly impact how long you live? This is known as life expectancy, which estimates the average number of additional years a person of a given age can expect to live. It varies from one country to another, and according to the United Nations, the global average life expectancy is 73.4 years as of 2023.

The longest life expectancy country stands out particularly for its efforts to maximize the longevity of its citizens. These typically include factors such as healthy lifestyles, exceptional healthcare systems, and favorable environments that promote longer and healthier lives.

List of the Longest Life Expectancy by Country

The U.S. News and World Population Review both mentioned Japan, Switzerland, and Australia among countries with the longest life expectancy. Other nations that share this distinction include:

1. Monaco - 86.5 years

Taking the top spot, Monaco is named the longest life expectancy country, at 86.5 years. It boasts a world-class quality of life, with exceptional healthcare, a stress-free environment, and a focus on healthy living. Most Monégasques are also known to follow a healthy Mediterranean diet and embrace outdoor activities, as quoted from Altoo.

2. San Marino - 85.8 years

Despite being one of the world’s smallest countries, San Marino has long been a top contender when it comes to life expectancy. The nation is renowned for its strong and stable economy, which complements its ability to provide robust healthcare systems and high living standards. 

3. Hong Kong - 85.6 years

Hong Kong isn’t just a major global financial hub, but also one of the countries with the longest life expectancy, averaging around 85.6 years for both women and men. According to alea.care, the key to longevity in Hong Kong lies in a combination of well-promoted health awareness, reliable public transportation, well-designed outdoor spaces, and accessible medical care for all.

4. Japan - 84.8 years

Japan firmly stands tall with its long life expectancy hovering around 84.8 years. Japanese people are well-known for their strong commitment to healthy eating, with a diet rich in fish, vegetables, and rice—low in saturated fats and processed foods. More to that, the routine of commuting by public transport and the availability of universal healthcare further contribute to longevity.

5. South Korea - 84.4 years

South Korea has rapidly made an appearance as another longest life expectancy country both in Asia and the world. While its advanced medical system, equipped with high-tech tools and expertise, plays a vital role, the improvement is primarily driven by a decrease in mortality from chronic diseases and a reduction in infant mortality.

6. Saint Barthélemy - 84.4 years

Over the years, Saint Barthélemy has seen a slight improvement in its average life expectancy. A 0.14% increase from 2024 to 2025 can be credited to several factors. As noted by database.earth, advancements in technology, an enhanced standard of living, and improved healthcare availability all play a role in extending life expectancy.

7. French Polynesia - 84.2 years

When you look into the high life expectancy in French Polynesian, the first factor that stands out is surely the island’s easy access to fresh seafood and low-stress lifestyle. Top it off, French Polynesia also thrives on a strong sense of community and deep family bonds, further supporting the well-being of its people.

8. Andorra - 84.2 years

Andorra enjoys an impressive life expectancy of about 84.2 years, tied to French Polynesia. The figure continues to grow every year, thanks to the perfect combination of serene environment, clean air, world-class healthcare system, and the people’s commitment to a healthy lifestyle. Low stress levels also play a significant role, along with the country’s exceptionally high safety standards.

9. Switzerland - 84.1 years

With an average life expectancy reaching 84.1 years, Switzerland ranks among the countries with high life expectancy in Europe. As noted by OECD, Switzerland’s success can be attributed to a mix of factors, including high living standards, top-notch healthcare infrastructure, and a close-knit community.

10. Australia - 84.1 years

In Australia, life expectancy is higher than many parts of the world, with an average lifespan reaching 84.1 years. The country has made bold efforts to improve this figure year after year, as seen in its advanced healthcare system, cutting-edge medical care, and a decline in maternal and infant mortality. Aussies are also known for continuously improving their living conditions, such as reducing smoking rates.

The countries with the longest life expectancy are united by common factors such as access to high-quality healthcare, a balanced diet, active living, and a strong sense of community. If you want to take the exploration to new heights, consider checking out the best countries in the world to raise a family.

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