Institutional dimensions and Polity scores.

<p>The <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045838#pone-0045838-g005" target="_blank">figure 5</a> divides <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045838#pone-0045838-g004" target="_blank">figure 4</a> depiction of how many percent of the nations in the world had all the core institutions of each of the three dimensions described in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045838#pone-0045838-g001" target="_blank">figures 1</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045838#pone-0045838-g002" target="_blank">2</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045838#pone-0045838-g003" target="_blank">3</a> into the values nations have on the Polity score from strongly autocratic (−10) to strongly democratic (10). The democracy dimension dominates among the Polity score 10 nations, reveal a short wave in Polity score 9 nations around 1925, but is otherwise absent. The despotism dimension dominates in Polity score −10, exhibits increases in various periods in Polity score −9 nations in the early 1900s and the first half of the 19^th century. The oligarchic institutional dimension is scattered among nations with a Polity score −6 to 7. Nations having the three core democracy institutions (blue); Nations having the two core factional/sectarian (oligarchy) institutions (green); Nations having the two core despotism institutions (red).