A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
Women mature much faster than men.
1k
More than half the population of Kenya is under the age of 15.
71
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Babies crawl an average of 200m a day.
212
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191