From Catholic News Agency:
About 51% of priests ordained in 2010 or later said their political views are either conservative or very conservative. Another 37% said they were moderate and the remaining 12% were either liberal or very liberal.
For priests ordained between 2000 and 2009, 44% were conservative or very conservative and 44% were moderate. Again, only 12% of priests ordained in these years said they were liberal or very liberal. Priests ordained between 1990 and 1999 leaned conservative, but to a lesser degree, with 38% saying they are somewhat conservative, 34% identifying as moderate, and 26% saying they are liberal or very liberal.