This document discusses economic growth and challenges related to infrastructure in developing countries. It notes that economic growth involves increasing production of goods and services over time, and that infrastructure challenges like lack of electricity, water, and phone access impact about 2.6 billion, 800 million, and 1-1.5 billion people respectively. To address these issues, USAID focuses on improving access to markets and financing, making governments more efficient, and improving infrastructure. It provides details on infrastructure projects funded by USAID in over 60 countries to design and construct energy, road, water and other facilities.