| International Year of Shelter for Homeless | 1987 |
| International Literacy Year | 1990 |
| International Space Year | 1992 |
| International Year of Indigenous Population | 1993 |
| International Year of Family | 1994 |
| International Year of Tolerance | 1995 |
| International Year of Ocean | 1998 |
| International Year of Aging (older) people | 1999 |
| International Year of Peace-Culture | 2000 |
| International Year of Gratitude | 2000 |
| International Year of Woman Empowerment | 2001 |
| International Year for Eradication of Mental Diseases (WHO) | 2001 |
| United Nation's Year for Interaction among Civilizations | 2001 |
| International Mountain Year | 2002 |
| International Year of Eco-tourism | 2002 |
| International Fresh Water Year | 2003 |
| International Rice Year | 2004 |
| International Year of Microcredit and International Year of Physics | 2005 |
| International Year of Desert and Desertification | 2006 |
| Year of Good Governance (for SAARC countries) | 2008 |
| International Year of Biodiversity | 2010 |
| International Year of Water Cooperation | 2013 |
| Third Disarmament Decade | 1990 |
| UN Decade of International Law | 1990 - 1999 |
| Intemational Decade for the Eradication of Colonialism | 1999 - 2000 |
| United Nations Decade against Drug Abuse | 1991 - 2000 |
| Inaternational Decade for Indigenous people of the World | 1994 - 2004 |
| UN decade for Human Rights Education | 1995 - 2004 |
| UN decade for the Eradication of Poverty | 1997 - 2006 |
| Second UN Decade for the Eradication of Colonialism | 2001 - 2010 |
| International Decade for Peace and Non Violence for children | 2001 - 2010 |