Singapore, officially the Republic of Singapore, is an island city-state in Southeast Asia. It lies one degree north of the equator, at the southern tip of the Malay Peninsula, with Indonesia's Riau Islands to the south and Peninsular Malaysia to the north. Singapore's territory consists of one main island along with 62 other islets. Since independence, extensive land reclamation has increased its total size by 23%. The nation is known for its transition from a developing to a developed country in a single generation under the leadership of its founding Prime Minister Lee Kuan Yew.