The answer is somewhere between 1.9 and 2.1%.

答案是大约在百分之一点九到二点一之间
Most people think--

大多数人认为
The average American thinks it's twenty percent.

美国人平均认为是百分之二十
There is--

有
If you're curious about demographics,

如果你对人口统计学感兴趣的话
and this map isn't to be entirely trusted

这张图不完全可信
because I got it from Wikipedia,

因为我是从维基百科找到的
this is the distribution of the Jewish population,

这是犹太人口分布图
self-identified as Jewish in different parts of the United States.

自称犹太人的人在美国各地
New York City is, of course,

纽约自然是
the most dense population with nine percent.

最集中的地方有百分之九
New Haven has 3.5%.

纽黑文市有百分之三点五