Welsh Government figures show the number of driving tests taken in Wales has fallen 6,000 in the last year.
And almost a quarter of households don't own a car.
The area with the least number of car owners is Merthyr Tydfil and the highest Powys.
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Dry across the country this evening with broken cloud and some late sunshine. Scattered showers expected tomorrow.
40,000 people are expected at the motorbike event in the capital this weekend.
The comedian visited the area in 1964 after apparently upsetting people with one of his routines.