This page shows you the list charts. By default, the movies are ordered by how many times they have been marked as a favorite. However, you can also sort by other information, such as the total number of times it has been marked as a dislike.
These are the ten most voted movies from each year of the 1960s according to IMDb. It escews considerations such as average rating and rather focuses on which movies are most watched, voted and therefore could be said to be the most "popular".
FuriousCinema.com's list of 50 furious films from the 1960s. See the 70s list here: http://www.icheckmovies.com/lists/furious+cinemas+50+furious+films+of+the+1970s/petegcdb/
See the 80s list here: http://www.icheckmovies.com/lists/50+furious+films+the+1980s/senorroboto/