We can now officially confirm it. The project on the future of euro banknotes (run on SurveyLab software), which began on Thursday, 23 July and will run until 21 September 2026, has become the largest research project ever conducted in the European Union after less than three days.
In under three days, we collected 5,112,805 responses, while the survey was viewed 7,523,407 times. The survey is available simultaneously in 24 languages.
At its peak, more than 31,000 respondents were connected to our servers at the same time. During this period, participants generated over 1.21 billion requests to our infrastructure.
The most active participants come from the EU’s largest countries – Germany, Italy, Spain, and France. The Netherlands ranks fifth, while Poland is currently in tenth place.

| Day | Views | Responses |
|---|---|---|
| 23.07.2026 | 871 923 | 542 153 |
| 24.07.2026 | 4 438 986 | 3 011 133 |
| 25.07.2026 | 2 212 498 | 1 559 519 |
24 languages
45 questions
10 banknote projects
7 523 407 survey views in less than 3 days
5 112 805 collected responses
31 k respondents completing the survey simultaneously at peak time
17.8 TB of data transferred in less than 3 days
The survey and more information about the study are available on the European Central Bank website. You can access the survey directly here – HAVE YOUR SAY.
About SurveyLab
SurveyLab has been developing an online survey platform for more than 15 years, supporting market research, customer and employee experience research, and online assessments. Professionals, public institutions, and enterprises of all sizes in more than 65 countries use SurveyLab to conduct projects that require the highest standards of security, scalability, and data quality.