A map of the <a href="//commons.wikimedia.org/wiki/United_States" title="United States">United States</a>, showing which party controls each US state upper house (and the unicameral Nebraskan legislature. Information from <a href="https://en.wikipedia.org/wiki/File:States_upper_house_political_majority.png" class="extiw" title="w:File:States upper house political majority.png">File:States upper house political majority.png</a>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#3333FF;color:#202122;text-align:center;"> </div> Democrats</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#FF3333;color:#202122;text-align:center;"> </div> Republicans</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#800000;color:#202122;text-align:center;"> </div> Popular Democrats</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#161687;color:#202122;text-align:center;"> </div> New Progressives</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#EED202;color:#202122;text-align:center;"> </div> Nonpartisan legislature</div>
<ul><li>Synthesis: <a href="//commons.wikimedia.org/w/index.php?title=User:Cassowary&amp;action=edit&amp;redlink=1" class="new" title="User:Cassowary (page does not exist)">Cassowary</a></li>
<li>Version based on new map by: <a href="//commons.wikimedia.org/wiki/User:Lokal_Profil" title="User:Lokal Profil">Lokal_Profil</a></li></ul>
CC BY-SA 3.0
<ul><li>Vector map from <a href="//commons.wikimedia.org/wiki/File:Blank_US_Map.svg" class="mw-redirect" title="File:Blank US Map.svg">Blank US Map.svg</a> by <a href="//commons.wikimedia.org/w/index.php?title=User:Theshibboleth&amp;action=edit&amp;redlink=1" class="new" title="User:Theshibboleth (page does not exist)">User:Theshibboleth</a> et.al.</li>
<li>Info from: <a href="https://en.wikipedia.org/wiki/File:States_upper_house_political_majority.png" class="extiw" title="w:File:States upper house political majority.png">File:States upper house political majority.png</a> by <a href="//commons.wikimedia.org/wiki/User:Zscout370" title="User:Zscout370">Zscout370</a> et.al.</li></ul>