|Very Weak||Weak||Moderate||Strong||Very Strong|
Source: Derived from The Book of the States, 2002 (Lexington, Ky: the Council of State Governments, 2000), p.176-7. Lieutenant governors and the vice-president accumulate points as follows: +1 for presiding over senate; +1 for appointing senate committees; +1 for power to break roll-call ties; +1 for power to assign bills; -1 if chief executive assigns duties; -1 if member of chief executive's cabinet/advisory body; +1 for acting as chief executive when the chief executive is out of state. Point totals are rescaled to range from 0-7.
Eight states have no lieutenant governor (AZ, ME, NH, NJ, OR, TN, WV, and WY).