Oklahoma, admitted as the 46th state to the Union in 1907, is a landlocked state in the South Central and Southwestern region of the United States. It shares borders with Texas, Kansas, Missouri, Arkansas, New Mexico, and Colorado. The state's capital and largest city is Oklahoma City. As of 2023, Oklahoma has an estimated population of 4 million.
Oklahoma is a major producer of natural gas, oil, and agricultural products, with an economy based on aviation, energy, telecommunications, and biotechnology. The state's terrain varies from rolling, timbered hills in the east to treeless high plains in the Panhandle region. Key attractions and features include the Wichita Mountains Wildlife Refuge, Quartz Mountain State Park, Chickasaw National Recreation Area, and Beavers Bend State Park. Oklahoma has more drivable miles of Route 66 than any other state. Oklahoma City is preparing to host official events for the 2028 Los Angeles Summer Olympics. The Oklahoma City Zoo is undergoing $71 million in infrastructure improvements through 2028. A new multipurpose stadium is set to break ground in Oklahoma City in the spring of 2026, aiming to open in January 2028.