Six of one, half a dozen of the other - II by KlionskyG

Question 8

The number of unique last names among people who have served as PRESIDENT of the United States


The number of MONARCHS listed on the page entitled "Kings and Queens from 1066" on the official website of the British royal family

Which is larger, as of 2019, or are they EQUAL?

MONARCHS (42 - 39)