that were not up for election either hold regularly-scheduled elections in odd-numbered years, or have four-year terms and hold all regularly-scheduled elections in presidential election years. Note that this table only covers regularly-scheduled elections; additional special elections took place concurrently with these regularly-scheduled elections. Results State-by-state Upper houses Lower houses Total |- align=center ! colspan="2" style="background:#e9e9e9; text-align:center;"|Political Party ! style="background:#e9e9e9;"|Previous total ! style="background:#e9e9e9;"|New total ! style="background:#e9e9e9;"|Net change ! style="background:#e9e9e9;"|% of Seats |- | |3,282||3,890||+680||52.7% |- | |4,022||3,342||-680||45.3% |- | |56||60||+4||0.008% |- | |6||6||0||0.0008% |- | |2||1||-1||0.0001% |} Notes References State legislative elections State legislature elections in the United States by year