Every year, the United Nations releases their world happiness report, with this year’s index revealing changes in well-being for 158 countries.

While Switzerland tops the list, Cameroon is listed as the 133rd happiest country in the world, according to the latest World’s Happiness Report 2015.

In comparison with a few other African countries, Algeria is ranked as the happiest country in Africa (68) followed by Nigeria (78).

Other African countries ranked as follows: South Africa 113, Ghana 114, Egypt 135, Ivory Coast 151.

Here’s a look at a list of the happiest and saddest countries.