system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
What country has the highest life expectancy?


assistant
Life expectancy for humans has doubled over the last century but there’s still a noticeable gap in average life expectancies between different countries. In general, developed countries see higher life expectancies than developing regions but over time the gap is expected to narrow. Based on the data from the World Bank including both the healthcare spending per capita of 178 different countries, Japan has the highest life expectancy at birth 85 years.