keyword

income and fertility

Monthly search volume and cost-per-click data for "income and fertility" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=income+and+fertility&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-07-01 | +--------------+------------------+

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
per capita birth rate	90	$0	3/20
why do poor countries have high birth rates	70	$0	3/20
birth rate by income	50	$0	13/20
birth rates by income	50	$0	11/20
fertility rate by income	40	$0	15/20
fertility and income	30	$0	16/20
birth rate by household income	20	$0	3/20
why are birth rates higher in developing countries	20	$0	3/20
why do poorer countries have higher birth rates	20	$0	3/20
fertility falls as income rise	10	$0	3/20

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=income+and+fertility&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