Example concentric layered diagram

main.tex

\documentclass{article}
\usepackage{tikz}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}

\begin{document}

\begin{tikzpicture}
  % Draw ovals first
  \fill[red!50] (0, 0.8) ellipse (6cm and 3.8cm);
  \fill[red!30] (0,  0.2) ellipse (5.2cm and 3.2cm);
  \fill[red!10] (0,-.4) ellipse (4.4cm and 2.6cm);
  \fill[red!5] (0,-1.2) ellipse (3.6cm and 1.8cm);
  \fill[yellow!20] (0,-1.9) ellipse (2.8cm and 1.1cm);

  % Add text labels (from outermost to innermost)
  \node[align=center, font=\bfseries] at (0,4.2) {Political:};
  \node[align=center, font=\scriptsize] at (0,3.7) {
    Health care bans, age requirements for care,\\
    insurance regulations, federal, state, and local legislation
  };

  \node[align=center, font=\bfseries] at (0,3.1) {Community:};
  \node[align=center, , font=\scriptsize] at (0,2.5) {
    Local LGBTQ+ centers,\\
    community support organizations, pro bono legal services
  };

  \node[align=center, font=\bfseries] at (0, 1.8) {Institutional:};
  \node[align=center, font=\scriptsize] at (0,1.1) {
    Provider knowledge, discrimination and stigma,\\
    provider location
  };

  \node[align=center, font=\bfseries] at (0,0.2) {Interpersonal Level:};
  \node[align=center, font=\scriptsize] at (0,-0.4) {
    Familial and friend support, provider-client\\
    relationship, social networks
  };

  \node[align=center, font=\bfseries] at (0,-1.4) {Individual Level:};
  \node[align=center, font=\scriptsize] at (0,-2.2) {
    Mental health, personal \\
    characteristics, race, income,\\
    location, knowledge access
  };
\end{tikzpicture}

\end{document}

You can also play with a live version at: https://app.crixet.com/?gist=dbf1dfe9ac9a35b1b7ab3a600e21c8ce