This is a list of the 49 largest state recognized Native American reservations in the United States by area. It includes all that are larger than 800 km2 (310 sq mi). Area is defined as all areas included in Tribal Census Tracts by the Census Bureau, and includes water as well as land areas. Statistics are as of 1 April 2000[update]. These 50 reservations comprise 92.925% (271,087.96 km² of 291,729.22 km²) of all Native American territory in the United States, and 64.66% (610,621 of 944,317) of their resident population. There are 311 federally recognized reservations in 33 states, plus four joint-use areas that are shared by members of their adjacent tribes. The two smallest reservations are the Seminole Trust Land in Broward County, Florida at 0.005175 km2 (1.279 acres), and the Likely Rancheria in Modoc County, California at 0.006236 km2 (1.541 acres). The Navajo nation is the largest Indian nation.