system
Ensure to address the text support needs with proficiency in any subject.
human
Add appropriate headings and subheadings to help organize the text.

Relevant data:
A report on the demographics of the city's population and its impact on public services.
gpt
I. Introduction
        II. Demographics of the city's population
             A. Age groups
             B. Ethnicity and race
             C. Education level
        III. Impact of population on public services
             A. Housing
             B. Transportation
             C. Healthcare