According to research by Fountain Life, UK citizens have an average life expectancy of 81.45 years, although women live longer with a life expectancy of 83.33 years compared to men whose life expectancy is 79.54.

While the longest overall life expectancy in the UK is London borough Barnet with 84.17, Kingston has the fourth longest life expectancy in the UK with an overall life expectancy of 83.75 years, beating Harrow by 0.5 years.

Kingston's life expectancy is expected to increase over the coming decades with it increasing to 84.04 years in 2030, 86.42 years in 250, and 92.37 years in 2100, when it will have the longest life expectancy of all UK areas.

Sevenoaks ranks second in the UK with an overall life expectancy of 84.04 years and Wokingham ranks third with an overall life expectancy of 83.88 years.

However, the UK is actually ranked as having the 33^rd longest life expectancy in the world.

Hong Kong has the longest life expectancy, being 85.63 years.

Japan is second with "about a year less" than Hong Kong, and South Korea is third with at 84.43 years.

Find out the rankings of all countries worldwide here.