This chapter presents the first annual estimates of Liberia’s economic performance based on archival data since its declaration of independence in 1847 until 2000. A lack of easily accessible data has been one of the main reasons why Liberia has appeared so infrequently in comparative work in African economic history. The collection of data was a central component of imperial governance, and historians have relied on the legacy of those efforts; independent states had both different incentives and, often, lower capacity. However, this chapter shows that it is possible to reconstruct through qualitative records annual estimates of trade and government finances dating back to Liberia’s foundation. These estimates then form the foundation for the first series of historical national accounts which can be used to compare Liberia to other countries. They show the Liberian economy during the late nineteenth and early twentieth centuries, when many other African economies were growing. A period of rapid economic growth began during the 1930s, which continued for much of the next half century before a catastrophic reversal from 1980. This chapter sets the stage for the more thematic chapters to follow.