No Person shall be a Senator who shall not have attained to the Age of thirty Years, and been nine Years a Citizen of the United States, and who shall not, when elected, be an Inhabitant of that State for which he shall be chosen.

• Overview of Senate Qualifications Clause
• When Senate Qualifications Requirements Must Be Met
• Congress's Ability to Change Qualifications Requirements for Senate
• States' Ability to Change Qualifications Requirements for Senate