| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| population of world in 1800 | 1.27 | 0.4 | 2791 | 78 | 27 |
| population | 0.88 | 0.8 | 6574 | 20 | 10 |
| of | 0.84 | 0.8 | 7532 | 28 | 2 |
| world | 0.86 | 0.4 | 8686 | 37 | 5 |
| in | 1.71 | 0.8 | 9513 | 59 | 2 |
| 1800 | 0.72 | 0.5 | 4502 | 4 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| population of world in 1800 | 1.79 | 0.3 | 1117 | 92 |
| population of world in 1900 | 1.65 | 0.3 | 5875 | 55 |
| population of world in 1700 | 1.04 | 0.3 | 830 | 65 |
| population of world in 1600 | 1.59 | 1 | 4587 | 77 |
| population of world in 1500 | 1.23 | 0.6 | 5760 | 90 |
| population of world in 1850 | 0.52 | 0.9 | 4645 | 62 |
| what was the world population in 1800 | 1.85 | 0.3 | 6644 | 28 |
| population of world in 1980 | 2 | 0.4 | 8587 | 39 |
| population of world in 1910 | 0.71 | 0.1 | 8931 | 79 |
| population of world in 1970 | 1.79 | 0.2 | 2438 | 85 |
| population of world in 1920 | 1.5 | 0.9 | 2867 | 4 |
| population of world in 1930 | 1.32 | 0.8 | 828 | 52 |
| population of world in 1000 ad | 1.68 | 1 | 6948 | 59 |
| population of world in 1990 | 1.08 | 0.1 | 7294 | 89 |
| population of world in 1950 | 1.47 | 0.6 | 8580 | 18 |
| population of world in 1960 | 0.3 | 0.1 | 6984 | 12 |
| population of world in 1975 | 0.3 | 0.3 | 3900 | 51 |
| what was the world population in 1900 | 0.21 | 0.9 | 9666 | 99 |
