There are many reasons immigrants don’t raise unemployment. One is they go to where the jobs are. Another is immigrants don’t just take jobs, they create jobs too.
Historically, states with high rates of immigration generally have lower unemployment rates than states with very few immigrants.
And these two figures below from the Cato Institute, show that immigrant workers and natives are generally complementary not in competition for jobs.
Unemployment is primarily caused by macroeconomic policy mistakes.
The charts going around showing native employment down and foreign employment up in recent years, are an artifact of baby boomers retiring. We looked up the prime-age employment-to-population ratio by nativity in the BLS data and it looks like this:
We’re all for securing the border. But the people who are stealing jobs are the politicians, not the immigrants.