Population Reference Bureau – Inform, Empower, Advance.

We Decide: Share Your Perspective in a New Disability-Rights Advocacy Product

PRB is inviting audio and video testimonials from women and young people with disabilities as part of a multimedia presentation we're developing to advance this important population's sexual and reproductive health and rights and improve responses to and prevention of gender-based violence.

How Many People Have Ever Lived on Earth?

This article is an updated version of one of the most popular features on PRB’s website, estimating the number of people who have ever been born.

2018 World Population Data Sheet With Focus on Changing Age Structures

The world population will reach 9.9 billion by 2050, up 2.3 billion or 29 percent from an estimated 7.6 billion people now, according to our projections.

Why Are They Asking That? What Everyone Needs to Know About 2020 Census Questions

By law, the U.S. government is required to count the number of people living in the United States every 10 years. Getting an accurate count is important because census numbers impact daily life in the United States in many ways

2019 Family Planning Data Sheet Highlights Family Planning Method Use Around the World

The use of family planning methods has increased substantially across countries, but a significant share of women still experience unmet need.

Fact Sheet: Aging in the United States

The current growth of the population ages 65 and older is unprecedented in U.S. history bringing both challenges and opportunities to the economy, infrastructure, and institutions.

Understanding Who Was Missed in the 2010 Census

By understanding who was omitted in the 2010 Census, community leaders, advocates, and others can better target geographic areas and population subgroups for get-out-the-count efforts.