Peninsular Malaysia has 14.2 million people while Sabah and Sarawak have 3.3 million. AREA Malaysia is a federation of 13 States comprising Johor Darul Takzim, Kedah Darul Aman, Kelantan Darul Naim, Melaka, Negeri Sembilan Darul Khusus, Pahang Darul Makmur, Perak Darul Ridzuan, Perlis Indera Kayangan, Pulau Pinang, Sabah, Sarawak, Selangor Darul Ehsan and Terrengganu Darul Iman. Peninsular Malaysia covers 131,598 sq km. These two States are separated from the Peninsular by approximately 1,000 km of the South China Sea. Average annual rainfall varies from 2,000 to 2,500 mm.
Humidity is high all year around.
November to February is the rainy season for the east coast of Peninsular Malaysia, the north-eastern part of Sabah and the western part of Sarawak. In some years, rainfall is concentrated in short periods and some flooding can occur. During the months of April, May and October, the west coast of the peninsular experiences occasional thunderstorms in the afternoons. Showers are heavy but they clear up as quickly as they come. The head of Government is the Prime Minister.