Interesting numbers.
With 62 votes, the .45 has only 80% of the total. The 1911 frame is a wonder of versitility, able to handle from .22lr through 10mm. Gotta love it!
FWIW, for my first 1911 I wanted only 2 things. It had to be .45acp and it had to be a Colt. The other ones came later