Anti-Iraq War

Significant opposition to the Iraq War occurred worldwide, both before and during the initial 2003 invasion of Iraq by the United States, United Kingdom, and smaller contingents from other nations, and throughout the subsequent occupation. People and groups opposing the war include the governments of many nations which did not take part in the invasion, and significant sections of the populace in those that did.

Rationales for opposition include the belief that the war is illegal according to the United Nations Charter, or would contribute to instability both within Iraq and the wider Middle East. Critics have also questioned the validity of the war's stated objectives, such as a supposed link between the country's Ba'athist government and the September 11, 2001 attacks on the United States, and its possession of weapons of mass destruction "certified" by the Niger uranium forgeries. The latter was claimed by the United States during the run-up to the war, but no such weapons have since been found.

Within the United States, popular opinion on the war has varied significantly with time. Although there was significant opposition to the idea in the months preceding the attack, polls taken during the invasion showed that a majority of US citizens supported their government's action. However, public opinion had shifted by 2004 to a majority believing that the invasion was a mistake, and has remained so since then. There has also been significant criticism of the war from US politicians and national security and military personnel, including generals who served in the war and have since spoken out against its handling.

Worldwide, the war and occupation have been officially condemned by 54 countries and the heads of many major religions. Popular anti-war feeling is strong in these and other countries, including the US' allies in the conflict, and many have experienced huge protests totalling millions of participants.

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