Between 1961 and 1980, the population of Jakarta doubled, and during the period 1980–1990, the city's population grew annually by 3.7%. The 2010 census counted some 9.58 million people, well above government estimates. The population rose from 4.5 million in 1970 to 9.5 million in 2010, counting only legal residents, while the population of Greater Jakarta rose from 8.2 million in 1970 to 28.5 million in 2010. As of 2014, the population of Jakarta stood at 10 million, with a population density of 15,174 people/km2. In 2014, the population of Greater Jakarta was 30 million, accounting for 11% of Indonesia's overall population. It is predicted to reach 35.6 million people by 2030 to become the world's biggest megacity. The gender ratio was 102.8 (males per 100 females) in 2010, and 101.3 in 2014.