London has the best levels of good health among its population, according to the census - at 84%, compared with 81% nationally.
The city also has relatively few people whose daily activities are limited because of disabilities or health problems - with the London borough of Wandsworth bottom of the list for all local authorities.
More top news
Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.