The ISO Survey provides details on the number of active certificates issued by certification bodies that have been accredited by members of the International Accreditation Forum. The number of ISO27001 certificates decreased from 39,501 to 36,362 between 2017 and 2019. No reasons are given for the change, but certificates in Japan decreased by 3,916 (9,161 in 2017 to 5,245 in 2019) in this period.
| Year | Number of certificates |
| 2019 | 36,362 |
| 2018 | 31,910 |
| 2017 | 39,501 |
In 2019, organisations in more than 130 countries had certificates. The 10 countries are:
- China 8,356
- Japan 5,245
- United Kingdom 2,818
- India 2,309
- Italy 1,390
- Germany 1,175
- Netherlands 938
- Spain 938
- United States of America 757
- Turkey 729
The following chart shows details of the top 15 countries. Click here for a larger version on the chart.
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