According to the Malaysian Department of Statistics, the country's population was 28,334,135 in 2010, making it the 42nd most populated country. According to a 2012 estimate, the population is increasing by 1.54 percent per year. Malaysia has an average population density of 96 people per km2, ranking it 116th in the world for population density. People within the 15–64 age group constitute 69.5 percent of the total population; the 0–14 age group corresponds to 24.5 percent; while senior citizens aged 65 years or older make up 6.0 percent. In 1960, when the first official census was recorded in Malaysia, the population was 8.11 million. 91.8 per cent of the population are Malaysian citizens.