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keyword

when was the 4th industrial revolution

Monthly search volume and cost-per-click data for "when was the 4th industrial revolution" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+the+4th+industrial+revolution&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.14 | | country | US | | updated | 2026-05-15 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
fourth industrial revolution 3,600 $7.73 14/20
the fourth industrial revolution 1,300 $2.4 14/20
are we in the 4th industrial revolution 20 $0 16/20
current industrial revolution 20 $0 14/20
fourth digital revolution 10 $0 15/20
what are the 4 industrial revolution 10 $0 15/20
fourth industrial age 10 $0 14/20
fourth industrial revolution year 10 $0 14/20
fourth revolution technology 10 $0 14/20
fourth technological revolution 10 $0 14/20

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://app.seodata.dev/v1/keyword?q=when+was+the+4th+industrial+revolution&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt