---
title: "Video: Estimating Europe’s unauthorized immigrant population"
description: "A new Pew Research Center analysis estimates that at least 3.9 million unauthorized immigrants – and possibly as many as 4.8 million – lived in Europe in 2017. Learn how we conducted the first comprehensive estimate of Europe's unauthorized immigrant population in over a decade."
date: "2019-11-15"
authors:
  - name: "Michael Piccorossi"
url: "https://www.pewresearch.org/global-migration-and-demography/2019/11/15/video-estimating-europes-unauthorized-immigrant-population/"
---

# Video: Estimating Europe’s unauthorized immigrant population

https://www.youtube.com/watch?v=BW6q4XUn9VI

A new Pew Research Center analysis estimates that at least 3.9 million unauthorized immigrants – and possibly as many as 4.8 million – lived in Europe in 2017. Learn how we conducted the first comprehensive estimate of Europe's unauthorized immigrant population in over a decade.

**Blog Post:** [Q&A: How Pew Research Center estimated the number of unauthorized immigrants in Europe](https://www.pewresearch.org/short-reads/2019/11/15/qa-how-pew-research-center-estimated-the-number-of-unauthorized-immigrants-in-europe/) **Report:** [Europe’s Unauthorized Immigrant Population Peaks in 2016, Then Levels Off](https://www.pewresearch.org/global/2019/11/13/europes-unauthorized-immigrant-population-peaks-in-2016-then-levels-off/)