Question: how many senators are in the pa senate
Answer: Affiliation Party ( Shading indicates majority caucus ) Total Republican Democratic Vacant 1995 - 1996 Session 29 21 50 0 1997 - 1998 Session 30 20 50 0 1999 - 2000 Session 30 20 50 0 2001 - 2002 Session 30 20 50 0 2003 - 2004 Session 29 21 50 0 2005 - 2006 Session 30 20 50 0 2007 - 2008 Session 29 21 50 0 2009 - 2010 Session 30 20 50 0 2011 - 2012 Session 30 20 50 0 2013 - 2014 Session 27 23 50 0 2015 - 2016 Session 30 20 50 0 End of session , 2016 31 19 50 0 2017 - 2018 Session 34 16 50 0 Latest voting share 7001680000000000000 ♠ 68 % 7001320000000000000 ♠ 32 %