This Research Brief uses state-level data to examine declines in the teen birth rate over 19 years, from 1991 to 2009, including the uptick in 2006 and 2007. Findings suggest substantial variation in the teen birth rate across states, (ranging across states from 16 to 64 births per 1,000 15-19 year-old females in 2009) and also in the amount of decline over this timeframe.