| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how long have humans been on earth | 0.1 | 0.6 | 6748 | 76 |
| how long have humans been on earth timeline | 0.31 | 0.7 | 3389 | 68 |
| how long have humans been on earth bible | 1.81 | 0.9 | 4464 | 4 |
| how long have humans been on earth in seconds | 1.33 | 0.9 | 8158 | 58 |
| how long have humans been on earth percentage | 1.45 | 0.2 | 4560 | 43 |
| how long have humans been on earth clock | 0.29 | 0.3 | 1913 | 100 |
| how long have modern humans been on earth | 0.7 | 0.6 | 3984 | 28 |
| how long have humans been on planet earth | 0.44 | 0.1 | 9839 | 74 |
| how long have humans existed on earth | 1.71 | 0.1 | 1206 | 60 |
| how long did humans exist on earth | 1.2 | 0.4 | 4006 | 87 |
| how long ago were humans on earth | 0.81 | 0.7 | 5545 | 96 |
| about how long have humans been around | 0.46 | 1 | 1800 | 99 |
| human timeline on earth | 1.83 | 0.6 | 7832 | 80 |
| timeline of human history on earth | 0.63 | 0.2 | 274 | 17 |
| human life on earth timeline | 0.92 | 0.8 | 6340 | 39 |
| when were humans on earth | 1.15 | 0.3 | 2980 | 62 |
| when did humans exist on earth | 0.55 | 0.4 | 9015 | 89 |
| history of humans timeline | 0.04 | 0.1 | 4305 | 56 |
