keyword

18 years of age

Monthly search volume and cost-per-click data for "18 years of age" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=18+years+of+age&country=us" +--------------+------------------+ | volume | 260 | | cpc | $2.19 | | competition | 0.03 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

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
18 year olds	22,200	$0	13/20
age of 18	720	$0	11/20
18 age	590	$0	10/20
why is 18 the age of adulthood	390	$0	11/20
age 18 years	260	$2.19	16/20
18 year olds are adults	260	$0	10/20
are you an adult at 18	260	$0	10/20
is 18 old	170	$0	11/20
when you turn 18 are you an adult	140	$0	13/20
what is 18 considered	30	$0	11/20

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=18+years+of+age&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