The table chart demonstrates the percentage changes in the visitor numbers to the United States’ four national museums in 2005, 2010 and 2015.
Overall, Air/Space and Natural History had the largest visitor numbers than the two in American history and American Indian museums. However, only American History museum had significant change in percentage in 2010.
Air and Space had tge large visitor number in 2005, 2010 and 2015, at 6.1, 8.3 and 6.2 millions respectively. While National History had the second largest visitor count. Even though they were less than +40% in percentage change, they have the largest visitor numbers.
American History and American Indian had the shortest numbers in 2005, at 3.0 and 2.2 millions respectively, and accounted for 4.2 and 1.3 millions in 2010 respectively. In 2015, these two museums made up 3.6 and 1.1 million respectively, by accounting for -15 % in percentage change and for -41% in 2010.
