This document summarizes Washington D.C.'s efforts to become an age-friendly city. It discusses the World Health Organization's Global Network for Age-Friendly Cities and Communities, of which D.C. is a part. It outlines D.C.'s progress in addressing the 10 domains of livability as defined by WHO, including transportation, housing, social participation, and health services. It also describes D.C.'s Age-Friendly Task Force and their goals and strategies within each domain to transform D.C. into a more livable city for people of all ages.