The Tax Policy Center is a nonpartisan research organization based in the United States. It was established in 2002 to provide analysis and information on tax policies and their effects on individuals and the economy. The center aims to inform policymakers and the public about the implications of tax legislation. The Tax Policy Center conducts research, publishes reports, and offers data on various tax issues, including income tax, corporate tax, and tax reform. It also provides tools like the Tax Policy Simulator to help estimate the impact of proposed tax changes on different income groups.