keyword
Monthly search volume and cost-per-click data for "world population 1990" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| world population over time | 2,900 | $16.26 | 17/20 |
| population of the world over time | 2,400 | $3.86 | 18/20 |
| world population in 1950 | 1,900 | $0 | 19/20 |
| world population 1950 | 1,900 | $0 | 18/20 |
| world population in 1980 | 1,300 | $0 | 20/20 |
| world population 1980 | 1,300 | $0 | 19/20 |
| world population in 1970 | 1,300 | $0 | 19/20 |
| world population 1970 | 1,300 | $0 | 18/20 |
| world population in 1990 | 1,000 | $0 | 20/20 |
| world population in 2010 | 1,000 | $0 | 17/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt