| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how much of human history is war | 0.41 | 1 | 3753 | 76 |
| how much of human history is recorded | 0.79 | 0.5 | 976 | 87 |
| how much of human history is lost | 1.49 | 1 | 2678 | 1 |
| how many wars in human history | 0.01 | 0.1 | 9973 | 51 |
| how long have humans been at war | 0.56 | 0.7 | 1540 | 51 |
| how many war have we had | 1.75 | 0.1 | 9211 | 34 |
| number of wars in history | 0.8 | 0.2 | 307 | 61 |
| how many wars throughout history | 0.28 | 0.3 | 3310 | 21 |
| largest war in human history | 0.28 | 0.4 | 244 | 53 |
| war facts and statistics | 0.09 | 0.6 | 4969 | 13 |
| how many wars have there been historically | 0.69 | 0.2 | 8080 | 3 |
| how long is the average war | 1.55 | 0.3 | 9400 | 11 |
| how long has there been war | 1 | 0.7 | 8657 | 11 |
| how long has war existed | 0.3 | 0.1 | 8974 | 64 |
| how many wars have happened in history | 1.45 | 0.9 | 441 | 97 |
| human population before world war 1 | 0.81 | 0.2 | 529 | 25 |
| how many people went to war | 1.42 | 0.9 | 3871 | 20 |
| how many humans have died in wars | 1.31 | 1 | 3580 | 30 |
| how many wars happen each year | 1.31 | 0.9 | 3541 | 73 |
| facts about the war | 0.66 | 0.8 | 7114 | 16 |
