Which location has the highest life expectancy at birth?

Monaco has the highest life expectancy at birth, a statistic that has been consistently observed due to several key factors. The principality benefits from a high standard of living, excellent healthcare systems, and various health-promoting lifestyle factors. Monaco's residents often have access to world-class medical facilities, a strong economy allowing for better health resources, and a diet that is typically healthy and well-balanced. Additionally, the average income in Monaco is among the highest in the world, contributing to overall well-being and health.

While other locations such as Japan and Switzerland also enjoy high life expectancies, factors such as Monaco's unique socioeconomic environment give it an edge. Japan is known for its culture of health and longevity, with dietary habits and societal structure that support long life, while Switzerland has a robust healthcare system and high quality of life. However, neither has achieved the same life expectancy levels recorded in Monaco.