This is a list of films voted the best in national and international surveys of critics and the public.
Voting systems differ, and some surveys suffer from biases such as self-selection or skewed demographics, while others may be susceptible to forms of interference such as vote stacking.
Since 1992, they have invited directors to vote in a separate poll.
[1] This poll is regarded as one of the most important "greatest ever film" lists.
American critic Roger Ebert described it as "by far the most respected of the countless polls of great movies—the only one most serious movie people take seriously.