The director was behind the ground-breaking and long-running Seven Up! documentary, which focused on a group of 14 British 7-year-olds.
The 1964 special has continued every seven years since as the Up series. Almond co-created the project, before Michael Apted took over the series.
Almond died on Thursday (April 9) in California of complications relating to a recent heart attack, his son Matthew said.
The filmmaker came up with the idea for Seven Up! with Granada producer Tim Hewat while discussing the class system in a pub.
Hewat is said to have remarked: "Give me a child until he is 7 and I will give you the man," allegedly originated by St Ignatius Loyola, the founder of the Jesuits.
Originally intended as a one-off, researcher Apted later revisited the children every seven years. Its most recent version 56 Up aired in 2012.
Almond also wrote and directed a trilogy of films called Isabel,