What is the advantage to having lighter skin in a colder country?

Question: What is the advantage to having lighter skin in a colder country?
- Keywords:
  evolution,
  human body,
  skin
Asked by to James, Anthony on 8 Jan 2019. This question was also asked by .
- James Cole answered on 8 Jan 2019:
  
  One of the main ideas is that having paler skin in high latitude environments is that it makes it easier for people to absorb Vitamin D where exposure to sunlight is not as strong nor as long as those environments more closely located around the Equator.

Question: What is the advantage to having lighter skin in a colder country?