Laos is a single-party socialist republic. The capital city is Vientiane. Other large cities include Luang Prabang, Savannakhet and Pakse. The official language is Lao. Most people are Lao with a significant proportion of indigenous religion as well. It is a rising power in electricity to neighboring countries such as Thailand, China and Vietnam and the economy is accelerating rapidly with the demands of its metals.[7][7] It is a member of the Asia Pacific Trade Agreement (APTA), Association of Southeast Asian Nations (ASEAN), East Asia Summit and La Francophonie. Laos applied for membership of the World Trade Organization (WTO) in 1997