A poll tax.
Performing a headcount; the counting of people.
A system of remuneration for providers of health care, in which providers enroll patients as permanent clients and receive a fixed periodic payment for each enrollee.
A donation made to an educational institution to obtain admission.
All of the people, collectively, in a population who pay tax (especially used in the context of the government financing something using the tax revenue).
A person who is subject to, liable for, or pays tax as opposed to a nontaxpayer who is neither the subject nor the object of revenue laws.