Survey data have been collected 10 times since 1995. In total, 7 371 individuals have participated in the survey and since some have participated in several data collections, the number of observations is 10 830.
| Survey year | ||||||||||
| 1995 | 1996 | 1998 | 2001 | 2003 | 2007 | 2010 | 2014 | 2018 | 2022 | |
| Total Tampere 90+ | 448 | 506 | 556 | 1063 | 1113 | 1147 | 1606 | 2056 | 2449 | 2705 |
| Participants | 366 | 415 | 470 | 892 | 961 | 944 | 1277 | 1637 | 1878 | 1990 |
| Participation rate | 82 | 82 | 85 | 84 | 86 | 82 | 80 | 80 | 77 | 74 |
The metadata for the surveys are archived at the Finnish Social Science Data Archive https://services.fsd.tuni.fi/catalogue/series/64?lang=en