Generally, au pairs are between 18 to 30 years old. However, there are different regulations in the individual host countries. Therefore, the minimal and maximal demand for the age can vary.
| Au pair in Austria | 18 - 30 years |
| Au pair in Belgium | 18 - 25 years |
| Au pair in Denmark | 17 - 29 years |
| Au pair in Germany | 17 - 30 years |
| Au pair in the Unite Kingdom | 17 - 30 years |
| Au pair in Finland | 17 - 30 years |
| Au pair in France | 17 - 30 years |
| Au pair in Ireland | 18 - 30 years |
| Au pair in Italy | 17 - 30 years |
| Au pair in Luxembourg | 18 - 30 years |
| Au pair in Netherlands | 18 - 30 years |
| Au pair in Norway | 18 - 30 years |
| Au pair in Sweden | 18 - 30 years |
| Au pair in Switzeland | 17 - 30 years |
| Au pair in Spain | 17 - 30 years |