THE GOVERNMENT EXPLORER Sources & coverage

COMPARE DATES

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Compare who held office and the party makeup of Congress on two specific dates.

FIRST DATE

July 1, 2016

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PRESIDENT

House of Representatives

434 voting members

247 Republican187 Democratic

6 nonvoting delegates and resident commissioners are not included in these totals.

Senate

100 senators

54 Republican44 Democratic2 Independent

SUPREME COURT8 justices in serviceChief Justice: John G. Roberts Jr.

SECOND DATE

December 30, 1861

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ALPortrait unavailable

PRESIDENT

House of Representatives

209 voting members

116 Republican52 Democratic32 Unionist2 Constitutional Unionist2 Unspecified1 Conservative Republican1 Whig1 Independent Democrat1 Ind. Democrat1 Union

1 nonvoting delegates and resident commissioners are not included in these totals.

Senate

67 senators

35 Republican29 Democratic3 Unionist

SUPREME COURT6 justices in serviceChief Justice: Roger Brooke Taney

CHANGES IN OFFICE

Who served on each date?

0Listed on both dates

550Listed only on the first date

284Listed only on the second date

These counts compare the president, vice president, Congress, and Supreme Court on your two dates. Someone listed on both dates may have changed offices. Changes between the dates and Cabinet members are not included.

Only on the first date 550 people

Only on the second date 284 people

Explore service history from 1789. Cabinet members are available for the latest date only. About these records

Checked Sep 18, 2026

OPENING THE RECORD

See what changed.

July 1, 2016

Barack Obama

House of Representatives

Senate

December 30, 1861

Abraham Lincoln

House of Representatives

Senate

Who served on each date?

See what changed.

July 1, 2016

Barack Obama

House of Representatives

Senate

December 30, 1861

Abraham Lincoln

House of Representatives

Senate

Who served on each date?