As in other parts of the archipelago, resistance against Portuguese rule rose in the 1950s. There was no open independence war like in Guinea-Bissau; after the 1974 Carnation Revolution in Portugal and the resulting end of the Portuguese Colonial War, Cape Verde declared independence in July 1975. After independence, Praia underwent a demographic boom, receiving migrating movements from all the islands. As a result, 56% of the entire population of Cape Verde resides in Santiago; and 29% in the Municipality of Praia alone. Its estimated population has reached 151,436 (2015). On 28 June 1985, Praia became member of UCCLA, the Union of Luso – Afro-Americo-Asiatic Capital Cities, an international organization.