Other regions in central America experienced increased population growth, such as Petén, owing to the discovery of oil and by the deportation procedure of political refugees from the Guatemalan Civil War. The increased rates of urbanization and population increase resulted in increased rates of deforestation. According to recent statistics, the population of Central America doubles within a range of 15 years, from 2.1 million in 2000 to 4.2 million in 2015.