70% of all oil pumped in the country. The economic boom tripled the population of the city of Campeche in ten years, and nearly doubled that of Ciudad del Carmen, which before was only a small fishing village. However, the production of oil has brought environmental problems to the area, especially fishing yields, as well as internal strife between locals and newcomers.
In the mid 1980s, about 25,000 Guatemalan refugees had fled into the state to escape civil war there .
The oil money allowed for the revitalization of the city of Campeche starting in the 1980s. The State Office of Cultural Heritage Sites and Monuments bought abandoned properties to restore them for use as museums, schools, theaters and a library. More than a thousand facades and monuments have been refurbished in the historic center and the oldest residential areas.
In the 1990s, a number of textile mills of the �maquiladora� type were opened in the state. The capital was declared a World Heritage Site by UNESCO .
The most recently created municipality is Candelaria in
