请帮我改写一下这句英语,意思不变,但句型用词什么的要不同,谢谢了the Social Security burden is heavier for middle-income people than for upper-income people.

请帮我改写一下这句英语,意思不变,但句型用词什么的要不同,谢谢了
the Social Security burden is heavier for middle-income people than for upper-income people.

the middle-income people have more Social Security burden than the upper-income people.