The ISO Survey of Certifications is an annual survey of the number of valid certificates to ISO management system standards worldwide.
This results in the most comprehensive overview of certifications to these standards currently available.
A total of 1,519,952 certificates were issued worldwide in 2015, compared to 1,476,504 the previous year, an increase of 3%.
Follows the detail of ISO 9001 and ISO 14001 certifications:
A total of 1,036,321 certificates were issued to ISO 9001 (including 4190 issued to the 2015 version published in September 2015) a slight decrease of 0.2% on last year. A total of 319,324 certificates were issued to ISO 14001 (including 947 issued to the 2015 version published in September 2015) up 8% on last year
Italy is the third country worldwide for number of issued certifications, following China and Japan:
This is the trend of the number of certificates:
| Standard | Number of certificates in 2015 | Number of certificates in 2014 | Change | Change in % |
| ISO 9001 | 1.033.936 | 1.036.321 | -2.385 | -0,2% |
| ISO 14001 | 319.324 | 296.736 | 22.588 | 8% |
| China | 114.303 |
| Japan | 26.069 |
| Italy | 22.350 |
| United Kingdom | 17.824 |




