| World population fractions | |||
| ("fraction democratic") | |||
| Year | No. of Polities | F (x 100) | F/(1-F) |
| (a) Experimental democracy | |||
| 1450 | 1 | 0.05 | 0.0005 |
| 1500 | 2 | 0.24 | 0.002 |
| 1550 | 2 | 0.78 | 0.008 |
| 1600 | 3 | 1.96 | 0.02 |
| 1650 | 1 | 0.37 | 0.004 |
| 1700 | 2 | 1.11 | 0.011 |
| 1750 | 3 | 1.56 | 0.016 |
| 1790 | 3 | 4.74 | 0.05 |
| 1800 | 2 | 1.87 | 0.019 |
| (b) Institutional democracy | |||
| 1800 | 1 | 0.58 | 0.006 |
| 1810 | 1 | 0.74 | 0.008 |
| 1820 | 1 | 0.93 | 0.009 |
| 1830 | 3 | 1.37 | 0.014 |
| 1840 | 3 | 3.88 | 0.004 |
| 1850 | 6 | 7.52 | 0.081 |
| 1860 | 7 | 5.43 | 0.057 |
| 1870 | 10 | 6.75 | 0.072 |
| 1880 | 13 | 11.56 | 0.131 |
| 1890 | 12 | 11.91 | 0.135 |
| 1900 | 14 | 12.32 | 0.141 |
| 1910 | 15 | 13.07 | 0.15 |
| 1920 | 29 | 20.63 | 0.26 |
| 1930 | 26 | 18.33 | 0.224 |
| 1940 | 15 | 11.35 | 0.128 |
| 1950 | 29 | 34.45 | 0.526 |
| 1960 | 41 | 41.32 | 0.704 |
| 1970 | 37 | 36.43 | 0.573 |
| 1980 | 43 | 38.07 | 0.615 |
| 1986 | 46 | 39.61 | 0.656 |