Top 20 corporate science cities

The top 20 corporate science cities and metro areas (MA), ranked by the fractional count (FC) for 2017 of corporate institutions based in the city. Also listed are each city’s total number of articles (AC) in 2017, and the corporate share of the city’s total FC.

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#Rank	City / Metropolitan Area	Country / Region	FC 2017	AC 2017	Corporate share of city FC (%)
1	San Francisco - San Jose	United States of America (USA)	127.36	385	7.6%
2	New York MA	United States of America (USA)	99.20	281	5.0%
3	Boston - Cambridge - Newton	United States of America (USA)	75.77	306	4.2%
4	Tokyo MA	Japan	49.12	172	4.1%
5	Baltimore - Washington	United States of America (USA)	30.78	183	2.4%
6	San Diego - Carlsbad	United States of America (USA)	26.01	115	4.6%
7	Basel	Switzerland	18.57	69	11.6%
8	Seoul MA	South Korea	17.32	72	2.4%
9	Cambridge	United Kingdom (UK)	16.84	74	3.0%
10	Philadelphia MA	United States of America (USA)	16.39	53	3.5%
11	Zürich	Switzerland	15.40	44	2.8%
12	Wellington	New Zealand	14.16	43	36.0%
13	Houston MA	United States of America (USA)	13.10	58	3.2%
14	Seattle - Tacoma - Bellevue	United States of America (USA)	13.01	57	3.8%
15	London MA	United Kingdom (UK)	12.61	54	1.9%
16	Paris MA	France	12.25	62	1.3%
17	Kyoto - Osaka - Kobe (Keihanshin)	Japan	11.03	50	1.6%
18	Copenhagen	Denmark	10.39	40	4.3%
19	Chicago - Naperville - Elgin	United States of America (USA)	10.33	47	1.4%
20	Boulder	United States of America (USA)	9.06	33	3.2%