The 2015 census showed Jordan's population to be 9,531,712 (Female: 47%; Males: 53%). Around 2.9 million (30%) were non-citizens, a figure including refugees, and illegal immigrants. There were 1,977,534 households in Jordan in 2015, with an average of 4.8 persons per household (compared to 6.7 persons per household for the census of 1979). The capital and largest city of Jordan is Amman, which is one of the world's oldest continuously inhabited cities and one of the most modern in the Arab world. The population of Amman was 65,754 in 1946, but exceeded 4 million by 2015.