10 Most Healthiest Country in the World (2025)

What makes a country healthy?  According to the Bloomberg Global Health Index 2025, the healthiest countries in the world are a mix of quality lifestyle, high life expectancy, and healthiest lifestyle choices and habits. Precisely, Healthy Nations in the World have the best social support system, a healthy lifestyle, ample of nutrient food, good Mental Health and Physical and low-risk environmental factors like obesity or addiction.

The health index basically focuses on life expectancy, infant mortality, and death rate to measure the overall health of a country. But the health metrics don’t just end here. A variety of indicators like clean drinking water, pollution, use of drugs like tobacco, normalized use of junk food, obesity, and high blood pressure among individuals, also help predict the health of nation. 

Top 10 Healthiest Countries in the World According to the Global Health Index

1. Singapore

Global Health Index score for Singapore is around 95.3 in the recently published list, which emerges as the world’s healthiest country in the world. Key factors that highlight Singapore as the healthiest country on top of list are a high life expectancy of 85.2 years, a low obesity rate of 6.1% and a smoking rate of 10.1%. 

People are drawn to healthy habits, nutritious food, and physical activities, creating a healthy lifestyle in the nation. Government plays a vital role in the healthcare system and cleanest sanitation in the world. Health education at the school level, fitness campaigns, and strict laws of pollution promote a healthy and effective lifestyle. 

2. Japan

Japan is after Singapore in the ranking of healthiest countries in the world, with a health score of 95.1, life expectancy of 84.8 years, obesity rate of 4.3%, and smoking rate of 16.7%. Japan follows a traditional health approach even in today's age. The diet is based on rich in nutrients like fish, vegetables, and fermented foods. The consumption of processed or junk food is minimal or portioned, balancing the diet and weight. 

The government of Japan established the Metabo Law in 2008, which requires all adults in the nation to undergo annual waistline measurements between 40 to 74 years old. 

3. South Korea

South Korea, in the last 40 years, has transformed rapidly in its healthcare system, becoming one of the world’s healthiest nations. According to Global Health Index, a health score of 94.3, Life Expectancy of 83.5 years, Obesity Rate of 5.9%, and smoking rate of 18%. 

The government heavily invests in healthcare, medicine, and cancer screening. Strict health insurance laws cover over all nature making it the top third healthiest nation in the world. 

4. Taiwan

Taiwan manages to rank in the top 5 healthiest countries in the world with a Global Health Index score of 94.2, a life expectancy of 81.1 years, low obesity rates at just 7.2%, and a smoking rate of 13.2%. 

Taiwan’s government makes the medical and health expenses minimal. Their single-payer national health insurance (NHI) system makes the medical treatment highly efficient.

5. Israel 

Israel has a strong health score of 94.2 on the Global Health Index, a life expectancy of 83.5 years, an obesity rate is 26.1%, and a smoking rate of 19.8%.

Israel is a mix of modern healthcare with a Mediterranean lifestyle diet, making it one of the healthiest countries in the world in 2025. Diet is mainly based upon legumes, olive oil, vegetables, and low-carb foods, preventing disease and obesity in the nation. 

6. Norway

Norway has a health score of  93.6 on the index, a life expectancy of 83.5 years, obesity levels at 23.1% and smoking rates at 10.0%, ranking it as 6th healthiest country in the world. 

Best healthcare standards covering the entire nation's medical expenses at the lowest possible cost covering vaccines, maternity services and other disease treatments. The clean air and healthy infrastructure environment keeps the living standard healthy and efficient.

7. Iceland

Iceland positions among the healthiest country in the world due to universal health services, and social well-being.

According to the Health index Iceland has a health score of 93.5, a life expectancy of 83.1 years, an obesity rate of 21.9% and a smoking rate of 9.1%, making it a clean, healthy and efficient choice of living. 

The country is supported by geothermal energy that keeps the pollution automatically low, while the strong healthcare system covers the rest. Active funding in medicine, vaccinations and disease treatments keeps the low maternity rate and high life expectancy. Foods like fish and dairy products strongly maintain health and a low obesity rate.

8. Sweden

Sweden earns a Global Health Index health score of 93.4, with life expectancy of 83.3 years, low obesity rate of 20.6%, and smoking rates of 7.3%. 

In Sweden, healthcare is mainly tax-funded, making it available for citizens of the country. Emphasis of the Swedish government in health and high life expectancy keeps people age long and healthy. Citizens are keenly active in biking, physical activities and walking. The green environment aids in a healthy environment. 

9. Switzerland

Switzerland ranks among the top 10 healthiest countries according to the Global Health Index with a health score of 93.1, a life expectancy of 84.0 years, an obesity rate sits at 11.3%, and smoking rate of 20.5%.

Switzerland provides the best healthcare hospitals in the world to its people. From vaccinations and routine checkups. Health insurance is mandatory in Switzerland for all the residents which lowers the cost of medical problems. While the government heavily invests in medical programs for disease treatments, availability of high-quality doctors and nurse ratios.  

10. Netherlands

The list of the healthiest country in the world ends with the Netherlands. Health score of 92.8 and a life expectancy of 82.4 years, an obesity rate of 20.4% and a smoking rate of 18.8% with low maternal and infant mortality rates. 

Residents must have private health insurance, making healthcare affordable. Netherlands infrastructure is designed for active biking, walking, and physical activities. The environment is backed by greenery and clean air, promoting a healthy lifestyle for citizens. 

Common Factors Healthiest Countries Have 

The noticeable thing is that these countries focus on prevention rather than merely funding crisis management. All these 10 healthiest counties in the world heavily fund in healthcare and early intervention systems. Private insurance, tax-funded medical treatments, strict pollution policies, a culture of eating clean, a culture of walking, and physical activities foster a healthy lifestyle and a high standard of living. Support system for clean drinking water and air aids in a healthy mind and body. Low smoking rate aids in clean air as well.