 this is a list of the current members of the united states senate (113th united states congress). right|thumb|400px|u.s. senate party membership by state. states with two democratic senators are in blue, states with two republican senators are in red, and those with one of each are in purple. states with an independent senator are marked with green stripes on a blue or red background, depending on the party of the other senator. {|o | style="vertical-align:top;" | {| class=wikitable |- style="vertical-align:bottom;" ! colspan=2 | affiliation ! members |- | style="background-color:;" |&nbsp; | democratic party | style="text-align:center;" | 53 |- | style="background-color:;" |&nbsp; | republican party | style="text-align:center;" | 45 |- | style="background-color:;" |&nbsp; | independent | style="text-align:center;" | 2 |- ! colspan="2" style="text-align:center;"| total ! style="text-align:center;" | 100 |} |} ==leadership== {| class=wikitable |- ! office ! party ! colspan=2|officer ! state ! since |- | vice president of the united states and president of the senate | democratic party | 100px | joe biden | delaware | 2009 |- | president pro tempore | democratic party | 100px | patrick leahy | vermont | 2012 |} ===majority (democratic) leadership=== {| class=wikitable |- ! office ! officer ! state ! since |- | senate majority leaderdemocratic caucus chairman | harry reid | nevada | 2007 |- | senate majority whip | richard durbin | illinois | 2007 |- | democratic caucus vice chairmandemocratic policy committee chairman | [[ch
113th_United_States_Congress Lists_of_United_States_Senators Lists_of_current_office-holders