The capital of Congo is Brazzaville. The population is over 4 million as of 2011. The official language is French and the main religions are Christianity, Islam, and animism. Poverty has risen since the 1980s, affecting over half the population especially in rural areas. Access to services like water and transportation is difficult due to the country's vast distances and ruined infrastructure. HIV/AIDS affects over 5% of the population. Conflicts have displaced many and destroyed villages, leaving people without homes or possessions.