It's already illegal to use federal funding for abortion. The Hyde Amendment is a legislative provision barring the use of federal funds to pay for abortion, except to save the life of the woman, or if the pregnancy arises from incest or rape.
As far as this being a "democracy," we may all just have one vote, but some people have more power than others. For example, Wyoming has the same number of Senators as California (both have 2), even though California has a population of nearly 40 million while Wyoming only has about a half million people, which gives individuals in Wyoming far more power than those in California.