This document examines trends in student loan debt in the United States over time. It includes data on rising tuition costs from 1964-2013, increasing levels of debt over time for students from 1989-2013, the distribution of debt amounts across borrowers in 2010 and 2013, average debt levels based on educational attainment from 1989-2013, relationships between borrowing, wages and ability to repay loans from 1992-2013, and the percentage of borrowers with high monthly payment-to-income ratios from 1992-2013. The document uses charts and graphs to analyze trends in student loan debt in the U.S. over several decades.