这句话用英语怎么表达

per capita GDP are greatly higher than average national level in the richest area in USA；but in the poorest regional economies,people worry about the economy very much.
自己写的 不知道你满意吗？ 呵呵

In the richest area of US,the average GDP is far higher than the average GDP of the nation,while in the poorest area,the economy is rather worrying.

In the American richest area, average per person GDP is higher than the national average level greatly; However in the poorest area, the economy is very worrying.