Sasse assumed office as a United States senator on January 3, 2015.
He was officially sworn in when the 114th Congress convened on January 6, 2015.

In February 2019, Sasse was one of sixteen senators to vote against legislation preventing a partial government shutdown and containing 1.375 billion for barriers along the U.S.-Mexico border that included 55 miles of fencing.

In March 2019, Sasse was one of twelve senators to cosponsor a resolution that would impose a constitutional amendment limiting the Supreme Court to nine justices.
The resolution was introduced following multiple Democratic presidential candidates expressing openness to the idea of expanding the seats on the Supreme Court.

Committees
Sasse has been appointed to serve on the following committees in the 116th Congress:
Committee on Finance
Select Committee on Intelligence
Committee on Banking, Housing, and Urban Affairs
Subcommittee on Economic Policy
Subcommittee on National Security and International Trade and Finance, chairman
Subcommittee on Securities, Insurance, and Investment
Committee on the Judiciary
Sasse assumed office as a United States senator on January 3, 2015. He was officially sworn in when the 114th Congress convened on January 6, 2015.
In February 2019, Sasse was one of sixteen senators to vote against legislation preventing a partial government shutdown and containing 1.375 billion for barriers along the U.S.-Mexico border that included 55 miles of fencing.
In March 2019, Sasse was one of twelve senators to cosponsor a resolution that would impose a constitutional amendment limiting the Supreme Court to nine justices. The resolution was introduced following multiple Democratic presidential candidates expressing openness to the idea of expanding the seats on the Supreme Court.
Committees
Sasse has been appointed to serve on the following committees in the 116th Congress:
Committee on Finance
Select Committee on Intelligence
Committee on Banking, Housing, and Urban Affairs
Subcommittee on Economic Policy
Subcommittee on National Security and International Trade and Finance, chairman
Subcommittee on Securities, Insurance, and Investment
Committee on the Judiciary
Ben Sasse