---
title: "Appendix"
description: "[![Distribution of parents, by parent type](https://www.pewresearch.org/wp-content/uploads/sites/20/2018/04/04.24.18_singleparents-11.png?w=309){.aligncenter width=400}](https://www.pewresearch.org/social-trends/2018/04/25/appendix-3-2/04-24-18_singleparents-11-png/)"
date: "2018-04-25"
authors:
  - name: "Gretchen Livingston"
    job_title: "Former Senior Researcher"
    link: "https://www.pewresearch.org/staff/gretchen-livingston/"
url: "https://www.pewresearch.org/social-trends/2018/04/25/appendix-3-2/"
categories:
  - "Marriage & Divorce"
  - "Motherhood & Fatherhood"
  - "Parenthood"
  - "Unmarried Adults"
---

# Appendix

[![Distribution of parents, by parent type](https://www.pewresearch.org/wp-content/uploads/sites/20/2018/04/04.24.18_singleparents-11.png?w=309){.aligncenter width=400}](https://www.pewresearch.org/social-trends/2018/04/25/appendix-3-2/04-24-18_singleparents-11-png/)