UnScramble this Word: e n i t s e t e?

Questions

Name the country with the highest life expectancy (81.5 yrs)?

Japan is the country with the highest life expectancy, name the 2nd or 3rd place countries?

Name the country with the lowest life expectancy (36.1 yrs)?

Botswana is the country with the lowest life expectancy, name the 2nd or 3rd place countries?

Which is the country having the lowest divorce rate, with a rate of .11 per 1,000?