keyword

longitudinal survey

Monthly search volume and cost-per-click data for "longitudinal survey" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=longitudinal+survey&country=us" +--------------+------------------+ | volume | 14,800 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

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
longitudinal studies	14,800	$0	20/20
longitudinal study	14,800	$0	20/20
longitudinal surveys	14,800	$0	16/20
longitudinal example	5,400	$0	18/20
what is a longitudinal study	2,900	$0	20/20
what is longitudinal study	2,900	$0	20/20
longitudinal research	1,900	$0	20/20
longitudinal study meaning	1,600	$0	17/20
longitudinal study definition	1,300	$0	19/20
longitudinal design	1,300	$0	17/20

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=longitudinal+survey&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