in spite of something

in ˈspite of something

if you say that somebody does/did something in spite of a fact, you mean it is surprising that that fact does/did not prevent them from doing it; despite: In spite of his age, he still leads an active life.They went swimming in spite of all the danger signs.English became the official language for business in spite of the fact that the population was largely Chinese.
See also: of, something, spite