2021–2030
Second Decade of Action for Road Safety

2021–2030
United Nations Decade of Healthy Ageing

2021–2030
United Nations Decade on Ecosystem Restoration

2021–2030
United Nations Decade of Ocean Science for Sustainable Development

2019–2028
Nelson Mandela Decade of Peace

2019–2028
United Nations Decade of Family Farming

2018–2028
International Decade for Action "Water for Sustainable Development"

2018–2027
Third United Nations Decade for the Eradication of Poverty

2016–2025
United Nations Decade of Action on Nutrition

2016–2025
Third Industrial Development Decade for Africa

2015–2024
International Decade for People of African Descent

2014–2024
United Nations Decade of Sustainable Energy for All

2011–2020
Third International Decade for the Eradication of Colonialism

2011–2020
United Nations Decade on Biodiversity

2011–2020
Decade of Action for Road Safety

2011–2020
United Nations Decade for Deserts and the Fight against Desertification

2008–2017
Second United Nations Decade for the Eradication of Poverty

2006–2016
Decade of Recovery and Sustainable Development of the Affected Regions (third decade after the Chernobyl disaster)

2005–2015
International Decade for Action, “Water for Life”

2005–2014
United Nations Decade of Education for Sustainable Development

2005–2014
Second International Decade of the World’s Indigenous People

2003–2012
United Nations Literacy Decade: Education for All

2001–2010
International Decade for a Culture of Peace and Non-violence for the Children of the World

2001–2010
Decade to Roll Back Malaria in Developing Countries, Particularly in Africa

2001–2010
Second International Decade for the Eradication of Colonialism

1997–2006
Decade for The Eradication for Poverty

1995–2004
Decade for Human Rights Education

1994–2004
Decade of the World's Indigenous People

1993–2003
Third Decade to Combat Racism and Racial Discrimination

1991–2000
Second Industrial Development Decade for Africa

1991–2000
Second Transport and Communications Decade in Africa

1991–2000
United Nations Decade Against Drug Abuse

1991–2000
Fourth United Nations Development Decade

1990–2000
International Decade for the Eradification of Colonialism

1990–1999
United Nations Decade of International Law

1990–1999
International Decade for Natural Disaster Reduction

1990s
Third Disarmament Decade

1988–1997
World Decade for Cultural Development

1983–1993
Second Decade to Combat Racism and Racial Discrimination

1983–1992
United Nations Decade for Disabled Persons

1981–1990
International Drinking Water Supply and Sanitation Decade

1981–1990
Third United Nations Development Decade

1980–1990
Second Disarmament Decade

1980s
Industrial Development Decade for Africa

1976–1985
United Nations Decade for Women: Equality, Development and Peace

1973–1983
Decade to Combat Racism and Racial Discrimination

1971–1980
Second United Nations Development Decade

1970s
Disarmament Decade

1960–1970
United Nations Development Decade