Do I need to write a thesis to get honors?

Government is an honors-optional concentration and a thesis is required to get departmental honors (summa cum laude, magna cum laude, or cum laude in Government). 

Concentrators who don't write a thesis can still graduate with "cum laude for the overall record" if they have a sufficiently high overall GPA (for June 2018 graduates, the cutoff was a 3.844 out of 4). Please refer to the Harvard College Handbook for Students for more details about this option.

See also: Honors