| Country | Year(s) | Name of survey | Non-response rate (%) | Number of ever-smokers* aged 25–59 |
| Finland | 1994/’96/’98/2000/’02/’04 | Finbalt Health Monitor | 28.0–35.0 | 6785 |
| Sweden | 2000/’01 | Swedish Survey of Living Conditions | 23.9/22.2 | 3601 |
| Denmark | 2000 | Danish Health and Morbidity Survey (DHMS/SUSY) | 25.8 | 6060 |
| England | 2001 | Health Survey for England (HSE) | 33.0 | 5195 |
| Ireland | 1995/2001 | Living in Ireland Panel Survey | 18.0/22.0† | 1634 |
| Netherlands | 2003/’04 | General social survey (POLS) | 41.7/38.7 | 5902 |
| Belgium | 1997/2001 | Health Interview Survey | 41.5/38.6† | 5841 |
| Germany | 1998 | German National Health Examination and Interview Survey | 38.6 | 2402 |
| France | 2004 | French Health, Health Care and Insurance Survey (ESPS) | 30.0† | 4346 |
| Italy | 1999/2000 | Health and health care utilization/Multipurpose Family Survey | 13.4/18.3† | 34 070 |
| Spain | 2001 | National Health Survey | 15.0 | 6688 |
| Portugal | 1998/’99 | National Health Survey | NA | 8303 |
| Hungary | 2000/’03 | National Health Interview Survey Hungary | 21.0/28.0 | 3337 |
| Czech Republic | 2002 | Health Interview Survey | 29.3 | 745 |
| Slovakia | 2002 | Health Monitor Survey | 49.1 | 395 |
| Lithuania | 1994/’96/’98/2000/’02/’04 | Finbalt Health Monitor | 28.0–39.0 | 3306 |
| Latvia | 1998/2000/’02/’04 | Finbalt Health Monitor | 20.0–40.0 | 535 |
| Estonia | 2002/’04 | Health behaviour among Estonian adult population | 33.0/38.0 | 1748 |
*Ever-smokers = former smokers + current daily smokers.
†% non-response households.