👶 When to start: baby swimming and the right age for diploma A
- Babies and toddlers (0 to 4): real strokes are too hard yet, but almost every Amsterdam pool runs ouder-en-kindzwemmen (also called babyzwemmen, peuterzwemmen or survival swimming). You are in the warm water together; your child learns to turn, float and climb out. The Nationale Raad Zwemveiligheid actively encourages it, because most drownings in the Netherlands happen between 0 and 4.
- Diploma A lessons: the official advice is to start at 4.5 to 5 years. Three is too early for the A requirements, and a 4-year-old has just started school, which costs energy. Wait half a year and the lessons go faster.
- Anyone may teach swimming in the Netherlands; it is not regulated by law. Choose a provider with the Licentie Nationale Zwemdiploma's, so the diploma is the real national one.
- Can't afford lessons? Ask the gemeente; there are schemes, and Stadspas holders in Amsterdam get help with sports costs.
🏊 How the Zwem-ABC works
- Most Dutch children earn the Zwem-ABC: three national diplomas from the Nationale Raad Zwemveiligheid — A (aanleren / learning), B (beter maken / improving) and C (compleet maken / complete). After C, your child meets the national swimming-safety norm.
- The famous twist: at the exam (afzwemmen) children swim in their clothes and shoes! Diploma A is in summer clothing; higher diplomas add long sleeves and trousers. It sounds funny, but it prepares children for a real, unexpected fall into cold water — very relevant in a city of canals. 🤿
- Diplomas open doors at the pool: without one, a child needs armbands and an adult (often just one no-diploma child per grown-up). You usually need at least diploma A to swim on your own, B for pools with slides and waves (attractiebad), and C is the recommended minimum for the sea, a lake or holidays.
- It's a journey — on average 18–28 months for all three — and lessons can have waiting lists, so sign up in good time. School swimming is no longer standard, so most families arrange lessons themselves.
Official sources
Good to know: this is friendly orientation, not official advice. Rules at individual pools vary, so check with your local zwembad before you go.
Need a hand getting to and from lessons?
RaisingAmsterdam is a community of expat parents in Amsterdam — babysitters, local services and last-minute SOS help.
Browse babysitters