Unauthorized immigrants in the United States are better at speaking English and more educated than they were a decade ago, according to new Pew Research Center estimates based on government data.
In 2016, a third of unauthorized immigrant adults were proficient in English – meaning they either spoke only English at home or rated themselves as speaking English very well – up from a quarter in 2007. And the share of unauthorized immigrants ages 25 to 64 with a college degree ticked up to 17% in 2016, compared with 15% in 2007.
Despite these gains, unauthorized immigrants remain much less likely than lawful immigrants to be proficient in English (34% vs. 57% in 2016) or hold a college degree (17% vs. 37%).
Below is a closer look at rising levels of English proficiency and education among unauthorized immigrants in the U.S. – and demographic factors behind the changes.
A changing profile
Improvements in English proficiency and educational attainment since 2007 are due mainly to the changing profile of unauthorized immigrants who arrived in the U.S. within the previous five years. Among these newer arrivals, 32% were proficient in English in 2016, compared with 18% among the newer arrivals in 2007. Longer-term unauthorized immigrants – those who have been in the U.S. for more than a decade – also improved their English proficiency, but the change was less pronounced than among recent arrivals.
New arrivals are also more likely than longer-term unauthorized immigrants to hold a college degree, and this gap has widened over time. In 2016, 30% of newer arrivals had a college degree, compared with 17% in 2007. The share of longer-term unauthorized immigrants with a college degree ticked up, from 10% in 2007 to 11% a decade later.
English proficiency varies widely among U.S. unauthorized immigrantsAmong more recent arrivals, the rise in English proficiency and educational attainment is linked to the changing mix of origin countries, as well as to rising levels of schooling throughout the world. Compared with a decade ago, a markedly smaller share of recent arrivals come from Mexico, whose immigrants have lower English proficiency and education levels on average compared with other groups. A higher share than a decade ago comes from Asia, whose immigrants tend to have higher levels of both.
These changes in English proficiency and education are taking place as the overall number of unauthorized immigrants in the U.S. has declined sharply, due to fewer new arrivals. Only 20% of all unauthorized immigrants had arrived within the previous five years in 2016, compared with 32% in 2007. A rising share likely arrived with legal visas and overstayed their deadlines to leave, and a smaller share crossed the border illegally.
Rising English proficiency
Not only did the share of unauthorized immigrants who are proficient in English rise from 2007 to 2016, but also the number – even though the total population of unauthorized immigrants went down during those years. An estimated 3.4 million unauthorized immigrants were proficient in English in 2016, compared with 2.8 million in 2007. Meanwhile, the number who are not proficient in English declined.
Most research has found that immigrants’ English skills improve the more time they have lived in the U.S. Among unauthorized immigrants within each origin group – all Mexicans or Chinese who are unauthorized, for example – longer-term immigrants are more likely to be proficient in English.
But recent changes in the mix of origin countries of unauthorized immigrants have reduced the English proficiency gap between shorter-term and longer-term immigrants overall. In 2007, a higher share of longer-term unauthorized immigrants were proficient in English. Since then, though, the shorter-term unauthorized immigrant population has changed. It now includes more people from countries with relatively high English proficiency and fewer from countries with lower English proficiency. As a result, in 2016, shorter-term unauthorized immigrants as a group had nearly caught up to longer-term immigrants in English proficiency.
About these estimates
Other research has found that immigrants with limited English-speaking ability are more likely to live in poverty, reflecting in part their job skills. A Migration Policy Institute analysis found that those with limited English tended to be more concentrated in traditionally high immigration states such as California, Texas, New York, Florida, Illinois and New Jersey.
Higher educational attainment
Longer-term unauthorized immigrants most likely to lack a high school diplomaAmong unauthorized immigrants in the U.S., there not only was a rise in the share with a college degree between 2007 and 2016; there also was a decline in the share without a high school diploma. In 2016, 44% of unauthorized immigrant adults ages 25 to 64 lacked a high school diploma, compared with 47% in 2007.
In this age group, the change was more dramatic among those who came to the U.S. within the previous five years: 31% lacked a high school diploma in 2016, compared with 44% in 2007.
Education levels of unauthorized immigrants remain well below those of the U.S. born and of lawful immigrants, however. Among the U.S. born, 8% of adults ages 25 to 64 do not have a high school diploma and 33% hold a college degree. Among lawful immigrants, the shares are 21% and 37%.
Most U.S. unauthorized immigrants from Asia have a college degree
As with English proficiency, educational attainment varies widely by birth country. Most unauthorized immigrants from Mexico (57% in 2016) have not completed high school. The share did decline somewhat (from 62%) after 2007. Only 4% of Mexican unauthorized immigrants in 2016 held college degrees. Unauthorized immigrants from the Northern Triangle of Central America – El Salvador, Guatemala and Honduras – have an educational profile very similar to that of Mexicans.
Among unauthorized immigrants from Asia, 64% in 2016 held college degrees, up from 53% in 2007. The share was higher among those in the U.S. for more than 10 years compared with those in the U.S. for five years or less (63% vs. 57%), possibly reflecting degrees acquired after moving to the U.S.
(Author Jeffrey S. Passel is a senior demographer at Pew Research Center.)
(Author D’Vera Cohn is a senior writer/editor focusing on immigration and demographics at Pew Research Center.)
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