Vietnam is a country with a high population and population density in the world. It ranks 14th in the world, with an average population of nearly 85.2 million people in 2007 and an average population density of 257 persons per square kilometre, much higher than that in the world (47 persons per square kilometre), which means an intensive labour force. The working population of 44.17 million people in 2007 held up 51.85% of the total population, with 9% working in the state sector, 89.4% in the non-state sector and 1.6% in the foreign-invested sector. Regarding the economic field, currently 54.6% of the workforce is in the agroforestry and fishery industry, 19.6% in the industry and construction sector, and 25.9% in the services industry.