World map showing election thresholds. Note that some countries may have more rules for coalitions and independents, and if there are district seats won.
Legend:

  &lt;1%
  ≥1%, &lt;2%
  ≥2%, &lt;3%
  ≥3%, &lt;4%
  ≥4%, &lt;5%
  ≥5%, &lt;6%
  ≥6%, &lt;7%
  ≥7%
  Each chamber has a different threshold.
Own work
Howard the Duck