The Swiss resident population now stands at 7,866,500, up one per cent on 2009, according to provisional figures released by the Federal Statistics Office on Thursday.
The figure includes both Swiss citizens and foreigners, apart from those with short-term permits or those applying for asylum.
There were four million women and 3.9 million men at the end of 2010. In the age group 0-29 men were in the majority; by 55-59 the figures were more or less evenly balanced, while among 85-89 year olds there are twice as many women as men.
Of the 1,300 centenarians, 1,100 were women.
The number of people aged 100 or more was up from 787 in 2000. Since 1950 the number of centenarians has doubled practically every decade, the Statistics Office says.
At the end of 2010 there were 1,766,400 resident foreigners, 52,400 more than in 2009. They account for 22.5 per cent of the total resident population, as against 22 per cent the previous year.
The overall rate of population increase is comparable to those recorded in 2007 and 2009. In 2008 it reached a record 1.4 per cent.
However, the Statistics Office points out that it has used a new and more accurate method of calculating the figures, so they are not strictly comparable with those of 2009.