This document summarizes trends in charitable giving to international causes from 1987 to 2012. It finds that giving to international affairs grew 552% in inflation-adjusted dollars during this period, far exceeding the 82% growth in inflation-adjusted giving to all other causes combined. There were several factors contributing to this growth, including increased awareness of international issues and more organizations working on international causes. The summary provides an overview of trends in donations from individuals, corporations, and foundations to the international affairs sector.