Anywhere from 1-100s, depending on income and how much they use/like cars. On average, it's about 8-10 cars.
There is no limit to the number of vehicles a family can have. You can have as many as you want, if you can afford them.
In 1958 the average family owned one. Very few families had two vehicles.
On average, a person undergoes about 9 surgical procedures in their lifetime.
10
2
47 -_-
During an average lifetime: over 2.5 billion times.
2
12
A healthy sow can have many litters in her lifetime. On an average sows are known to have as many as 23 litters throughout their life.
The number of babies that an elephant will have in a lifetime will vary. On average they will have about 5 babies in their life.
... It rather depends on the size of the car ... The average sedan will take a driver and four passengers, but there are smaller and larger family vehicles.