The class and infallible logic of Classic fans never ceases to amaze*.
There are more Retail Servers, than Classic ones. The Retail servers hold more players, than Classic ones. There are almost as many High/Full Retail servers across the regions, as there are Classic servers in total. That's even before counting Medium pop and even low pop ones.
Classic: 73
Eu English: 110 servers, 25 of which are Full/High
EU German: 80-or-so, I lost count. 16 servers listed as High/Full, majority are Medium pop even at this hour of night
EU French: 37, 11 listed as High/Full, majority as Medium.
EU Spanish: 11, 8 listed as Full/High
Russian: 20, 5 listed as High/Full
Italian: 2, 1 listed as High
This is, granted, without being able to check China and the US, but alas... Retail's servers are dynamic, and most of the ones listed as Full/High never drop to Medium even at 5:AM. Also, as previously mentioned, a higher capacity than they do on Classic. 60+ at High/Full.
So much winning though.
*Not really, but they are consistent if nothing else.