List of veterans of World War I who died in 2009–12

The following is a list of known veterans of the First World War (28 July 1914 – 11 November 1918) who died in 2009 (5 veterans), 2010 (1 veteran), 2011 (2 veterans) and 2012 (1 veteran). WRAF member Florence Green, who died on 4 February 2012, was the last surviving veteran of any nation.

Veterans by country of service – 9 veterans
On 27 June 2006, the British Government approved a National Memorial Service at Westminster Abbey, to take place after the death of the last known World War I veteran from the United Kingdom. On 11 November 2009, despite the survival to that date of Claude Choules and Florence Green, the commemoration was held following the death of Harry Patch. On 21 November 2006, the Canadian House of Commons approved a state funeral for the last World War I veteran to have served in the Canadian forces, but this was declined by John Babcock.

Unverified World War I veterans – 4 veterans
Listed here are the veterans who were not verified as a World War I veteran.

World War I era veterans – 6 veterans
Listed here are those that joined the armed services after the Armistice date, but before the Treaty of Versailles was signed, or where there is debate on their join-date, or whose military service is sometimes viewed as outside the scope of "WWI", but are considered World War I-era veterans by the press or by their respective governments, or served in a related conflict.

Totals – 19 veterans

 * Verified veterans – 9
 * Unverified veterans – 4
 * World War I-Era veterans – 6