The world population data is based on the 2019 Index of Economic Freedom by the Heritage Foundation. The total world population stands at 7.42 billion people at the time of this study.
The sub-Saharan Africa region has a population of 1 billion people (13% of world population). On the average, countries in the sub-Saharan Africa region tend to have a lower GDP per capita and higher unemployment rate. Nigeria is the most populous country in sub-Saharan Africa, with a population of 188.7 million people.