58 Democrats, 40 Republicans and two Independents (Joe Lieberman and Bernie Sanders, both of whom caucus with the Democrats)
the current Senate Majority Leader is Harry Reid (D) of Nevada
Usually the government is under the control of a political party or a coalition of political party's. If your party does not have control of the government but does have seats in the parliament or senate then it is an opposition party. That is a party that opposes the government. The official opposition is the party with the second most seats in the house of commons.
The Republican Party of the United States is known as the Grand Old Party.
Donkey: as in the senate's arms they would say.
This has been answered elsewhere at this site, but the current US Senate Majority Leader is Harry Reid (D) of The_leader_of_the_majority_party_in_the_senate.Read more: The_leader_of_the_majority_party_in_the_senate
As of the current session, the Democratic Party is in control of both the US Senate and the US House of Representatives.
The Roman Senate
If you are asking wich political party is currently in the majority, and thus in control of the Senate - as of November 2011, it is the Democrat Party.
republican
Democrats
The democratic political party has controlled the US Senate for the most total years throughout history.
That's a political BRANCH, not party, and the answer is the Senate. Every state has two senators.
The Virginia Senate is controlled by the democrats and the House by the republicans.
Most likely the Democratic Party is what I have heard! ;-)
The political party with the greatest number of members in the Senate is referred to as the majority party.
Majority Party!
Democrats