**The Messerschmitt Bf 109, remarkably, is also often claimed to be the most produced fighter aircraft in history, but with a total of 33,984 airframes produced from 1936 up to April 1945, it falls short when compared with the Russian production of the Il-2 Sturmovik.
**The Yakolev Yak-3, allegedly some 31.000 units were produced in Russia during and after the war.
**The British Supermarine Spitfire was produced in the UK between 1938 -1948 in all its Marks with a total of 20,351 aircraft. The other British fighter Hawker Hurricane was built between 1937 -1944 in 14,583 units.
**The Focke-Wulf Fw-190 Würger came early in 1941, the same year as the P-38, 5 years after the smaller Bf-109 and was built in 20.000 units.
**The Mitsubishi A6M Zero, Nippon’s best fighter was introduced in 1940 and built in 11.000 aircraft. The second most built Japanese Fighter was the Nakajima Ki-43 Hayabusa/ Oscar of which almost 6,000 of them were built between 1940 -1945 and using the same engine as the larger Zero.
For the US Fighter Aircraft ranking, here is the list of most built types 1940-1945:
**The North American P-51 Mustang was built from 1941-1945, 15,588 aircraft were built, in all variants together.