As of 2006, on average there were over 137,000 twins born in the U.S. every year.
Approximately 3.6%.<ref>http://multiples.about.com/od/funfacts/a/twinbirthrate.htm</ref>
The percentage of twins are born at a rate of 3.22 per 1000 pregnancies. These are bases on a statistical study from 2007 and the percentage has been unchanged from 2005 and 2006.
3 identical twins and 55million non-identical....hope it will help
It is approximately 1:750000 so approximately 177 sets of quads are born each year however many of these are reduced to triplets or twins due to complications.
53,300,000 are born every year in the United States.
There are about 5000 baby born each year in Australia.
A female moose usually calves once per year, and has one calf at a time, twins are rare.
how many twins are born inMaryland each year
3 identical twins and 55million non-identical....hope it will help
First one comes out and then the other. Usually through either the normal passage way, or a cesarean cut.
It is approximately 1:750000 so approximately 177 sets of quads are born each year however many of these are reduced to triplets or twins due to complications.
A blue whale can have ONE calf every 2-3 years, if twins are born one out of them will usually live.
It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.It is said the twins were born in 40 BC.
53,300,000 are born every year in the United States.
there is no sure answer to how many are born in a year but, there is one born every 1 second.
Every year there can be a different amount of them born at a time.
about 50 million are born every year
William Shakespeare's twins were born in February i do not know the exact date .
Since 1989 there have been an average of 56,136 sets of twins born each year in the US.