YMCA of the USA is the national resource office for the nation's 2,663 YMCAs, which serve nearly 20.2 million people each year, including 9.4 million children under the age of 18. Through a variety of programs and services focused on the holistic development of children and youth, health and well-being for all and family strengthening, YMCAs unite men, women and children of all ages, faiths, backgrounds, abilities and income levels. From urban areas to small towns, YMCAs have proudly served America's communities for nearly 160 years by building healthy spirit, mind and body for all.