| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what was the world population in 1988 | 1.91 | 1 | 5246 | 17 | 37 |
| what | 1.87 | 0.8 | 6240 | 68 | 4 |
| was | 0.7 | 0.4 | 1945 | 6 | 3 |
| the | 1.9 | 0.3 | 3618 | 57 | 3 |
| world | 0.09 | 0.5 | 3826 | 64 | 5 |
| population | 0.95 | 0.9 | 3842 | 96 | 10 |
| in | 0.82 | 0.6 | 9619 | 94 | 2 |
| 1988 | 1.75 | 0.1 | 8198 | 29 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what was the world population in 1988 | 1.74 | 0.6 | 2977 | 13 |
| what was the world population in 1968 | 1.45 | 0.8 | 9058 | 41 |
| what was the world population in 1985 | 0.38 | 0.8 | 5851 | 2 |
| what was the world population in 1989 | 1.84 | 0.9 | 1977 | 14 |
| what was the world population in 1980 | 0.95 | 0.2 | 8919 | 81 |
| what was the world population in 1986 | 0.1 | 0.8 | 1016 | 54 |
| what was the world population in 1987 | 0.27 | 0.8 | 1655 | 12 |
| what was the world population in 1982 | 1.48 | 0.9 | 5461 | 84 |
| what was the world population in 1998 | 1.78 | 0.8 | 4933 | 23 |
| what was the world population in 1983 | 1.83 | 1 | 8587 | 77 |
| what was the world population in 1984 | 1.47 | 0.2 | 8255 | 47 |
| what was the world population in 1880 | 1.47 | 0.3 | 1427 | 67 |
| what was the world population in 1965 | 0.73 | 1 | 8142 | 61 |
| what was the world population in 1990 | 0.13 | 0.7 | 5331 | 42 |
| what was the world population in 1999 | 1.66 | 0.7 | 2872 | 5 |
| world population 1988 | 0.45 | 0.7 | 5939 | 22 |
