Adultery laws per state and territory in the United States, as of 2023.
<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:#252525;color:#202122;text-align:center;"> </div> Adultery is a <i>felony</i></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:#525252;color:#202122;text-align:center;"> </div> Adultery is a <i>misdemeanor</i></div>
<hr><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:#006d2c;color:#202122;text-align:center;"> </div> Adultery decriminalized between 2010 and the present</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:#41ab5d;color:#202122;text-align:center;"> </div> Adultery decriminalized between 1990 and 2010</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:#a1d99b;color:#202122;text-align:center;"> </div> Adultery decriminalized before 1990</div>
<hr><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:#bdbdbd;color:#202122;text-align:center;"> </div> Adultery never criminalized, or unknown date of decriminalization</div>
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