Is there a relation between fuel with or without ethanol etc. and the lifespan of the fuelpump?

I have 20.000 km, no problems with my fuelpump and using 98 fuel in Europe.

Achim

4 aircooled cylinders, 7 tires, not waterproof: my m3w Bluebelle (2013) and my 2CV Gundel (1990)