Movie tickets sales in America have steadily been declining over the past 14 years.
This is despite the fact that the American population has increased by over 30M in that same time period.
2016 is on pace for about 1.2B in ticket sales. That's 3.75 tickets per person.
In 2003 1.5B tickets were sold. That's 5.2 tickets sold per person.
http://www.the-numbers.com/market/
Meanwhile, if you go back to 1995, only 1.2B tickets were sold.
2003 was the highest in terms of number of tickets sold in the last 21 years in North America.
Numbers of tickets sold go up and down every year but remain fairly consistent within a range.
Correct that per average, people are going to the movies less each year as the population rises.