In 2014, the population of London is 8.7 million - 3.4 million in  London and 5.1 million in outside of London. By 2020, the figures are expected to increase to 3.8 million for London and 5.5 million for outside of London. London has a higher proportion of people aged 24 to 34 than the rest of England, particularly Inner London. It also has a higher proportion of children aged 1 to 4 and a lower proportion of people aged 49 or over.  London has a higher proportion of single person (28%) and multi-family households (17%) than the rest of England. The proportion in Outskirt London lies between  London and the rest of country.The population of  East and South grew by 20% over the last decade, faster than any other parts of London . The population increase was gradual in the  West at 6.6%, similar to the rest of England. The population of London, is more than 10,000 people per square km, compared with 3,000 in London and 300 on average in the rest of England.