Table II.
Population characteristics: National and regional (n and %).
| Denmark | The Netherlands | |||
| National 2011 | Regional 2011 | National 2011 | Regional 2011 | |
| Inhabitants (n) | 5 560 6281 | 1 265 6011 | 16 655 7992 | 430 4983 |
| Males (%) | 49.6 | 49.9 | 49.5 | 49.2 |
| Age in years (%): | ||||
| 0–20 | 24.3 | 25.1 | 23.5 | 22.8 |
| 20–40 | 24.8 | 25.2 | 25.0 | 25.3 |
| 40–65 | 34.1 | 33.4 | 35.9 | 36.8 |
| 65–80 | 12.7 | 12.4 | 11.6 | 11.6 |
| 80 + | 4.1 | 3.9 | 4.0 | 3.6 |
Notes: 1Statistics Denmark, 2011M1 and 2011K4; 2Statistics Netherlands, 2011M1; 3Number of inhabitants was calculated with data from Statistics Netherlands, 2011M1, using the zip codes of the service area of the Dutch OOH primary care setting; due to anonymity protection numbers with age groups were rounded off.