Pakistan has one of the largest labour and manpower resources in the world, due to its large population, which is the sixth largest in the world. According to data produced by the CIA World Factbook, the total number of Pakistan's labour force is 57.2 million, making it the ninth largest country by available human workforce. About 43% of this labour is involved in agriculture, 20.3% in industry and the remaining 36.6% in other services.