Gabon has a population that is estimated at 1,545,255. Historical and environmental factors caused Gabon's population to decline between 1900 and 1940.Gabon has one of the lowest population densities of any country in Africa, and the fourth highest Human Development Index in Sub-Saharan Africa.
Major religions practiced in Gabon include Christianity (Roman Catholicism and Protestantism), Islam, and traditional indigenous religious beliefs. Many people practice elements of both Christianity and traditional indigenous religious beliefs.
Education in Gabon is largely based on the French educational system. On the federal level, it is regulated by two Ministries: the Ministry of Education, which is in charge of pre-kindergarten through High School, and the Ministry of Higher Education and Innovative Technologies, which is in charge of universities and professional schools.