These are not the only options, but simply suggested places you might find helpful. Ask if you need additional assistance!
Country Studies - project of the Federal Research Division of the Library of Congress. Includes, continually, if somewhat sporadically, updated information. Most recent updated editions are on Sudan, Indonesia, and Columbia. Downloadable as PDFs.
CIA World Factbook - provides information on the people, society, government and economy for 267 nations. Each year is available for download as a zip file.
UN Data - statistical tables, country and regional profiles.
BBC News Country Profiles - instant guide to history, politics and economic background. Includes video clips from BBC archive.
Human Rights Watch - Reports of various human rights issues throughout the world. Topics include humanitarian aid, refugee crises, and food security.
CrisisWatch - Internal Crisis Group's global conflict tracker
OECD - Organisation for Economic Co-operation and Development, international organization that works with governments, policy makers, and citizens to build better lives.
On Our Own: A Survival Guide for Independent LGBTQ Youth - Human Rights Campaign
US Census Bureau – National Survey of Children’s Health
Data.gov – Education – Data Catalog
U.S. Dept of Education – Institute of Education Sciences
U.S. Department of Justice – Office of Juvenile Justice and Delinquency Prevention
Annie E. Casey Foundation – Kids Count Data Center
ICPSR (the following are examples of data sets):
US Department of Health and Human Services: