What is the citizenship requirement for the Senate?

Question

What is the citizenship requirement for the Senate?

Answer 1

The citizenship requirement is that you must have been a US citizen for at least the last 9 years.

Apart from that, you must be 30 years old and reside in the State which you would represent.

Answer 2

To be a Senator in the Senate, a candidate must be 30 years or older, a U.S. citizen for at least 9 years and

when elected, be an inhabitant of that sate for which he shall be chosen.