Mostly the following
Hygiene
Diet
Sun
Clean drinking water
In 1916 there was a polio outbreak in the US killing 7,000 people. Population 105 million.
In 2022 there were 608,000 cancer deaths out of 330 million people.
So the death rate on cancer is 30 times higher than polio was in its worst year.
So did vaccines save that many lives? Not really.