keyword

fertility rate definition biology

Monthly search volume and cost-per-click data for "fertility rate definition biology" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=fertility+rate+definition+biology&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
definition of fertility rate	5,400	$0	5/20
total fertility rate definition	5,400	$0	5/20
what is fertility rate	2,400	$0	7/20
fertility rate meaning	1,900	$0	8/20
fertility rate definition	1,900	$0	6/20
fertility rate in world	1,900	$1.21	5/20
fertility rate world	1,900	$1.21	5/20
fertility rate global	1,300	$0	5/20
fertility rate in the world	1,300	$0	5/20
high fertility rate meaning	20	$0	7/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=fertility+rate+definition+biology&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt