Nigerian people are living a very stressful life and it is rated as number one on the list of the world's most stressed out countries. This country is rich in natural resources that include natural gas, tin, zinc, and petroleum. The Nigerian people are affected with HIV or AIDS and people here have to face religious conflict along with large levels of deforestation, water pollution, and fast-paced urbanization.

2. South Africa 

South Africa is known for the crime rate, although the crime level comes down a bit in the recent years. This country secured second place being the most stressed out country in the world because of major conflict between the white and black population. The stress level increased in 2009 when this country faced mass unemployment and considerable poverty.

3. El Salvador

El Salvador is at number three in the list and it is the Central American country. The country is facing problems including a high level of violence, poverty, immigration, and ineffective human rights. Many El Salvador natives immigrate to North America to safeguard their family from stress, difficulty, and the threat in their home country.