"The International Federation of Social Workers (IFSW) is a global organisation striving for social justice, human rights and social development through the promotion of social work, best practice models and the facilitation of international cooperation."
The National Association of Social Workers (NASW) "works to enhance the professional growth and development of its members, to create and maintain professional standards, and to advance sound social policies."
The United States Census Bureau provides data about the nation’s people and economy. Every 10 years, it conducts the Population and Housing Census, in which every resident in the United States is counted. The agency also gathers data through more than 100 other surveys of households and businesses every one to five years.