Malawi has a low life expectancy and high infant mortality. Forecasting life expectancy and mortality forms an important subdivision of demography. The average life expectancy is 77.7 years. The average life expectancy is ten years. These conditions lead to chronic disability and reduced life expectancy. The epidemiological transition correlates with changes in life expectancy. It results in a decreased life expectancy of 20 years. Average life expectancy in Serbia at birth is 76.1 years. In those with systemic disease typical life expectancy is about 11 years from onset. The state consistently ranks among the best for life expectancy and low unemployment. The life expectancy of Hispanic Americans is 81.2 years. The average life expectancy in 2014 was 80 years. Average life expectancy was about 28. Japan ranks first with an average life expectancy of nearly 84 years. The life expectancy is 79.3 years.