12 years old can learn to swim. It's a little late to take the professional route, but if you don't all take the professional route, it's still very suitable to learn swimming in adulthood or even old age after the age of 6.

The best age for children to learn swimming is 4-6 years old. It is wrong to say that the fetus breathes through the umbilical cord in the mother's womb, so the baby is born to hold its breath or swim.

Swimming is a skill that people float upward under the buoyancy of water and make their bodies move regularly in the water by virtue of buoyancy. From 65438 to the 1960s, swimming activities in many parts of Britain were quite active.