Pence’s level of recognition isn’t a major departure from prior years’ polling: Since taking office, the “never heard” of him mark has held steady around 10 percent. And Pence appears to be doing better than his predecessor. In 2014, when Newsweek polled 1,000 people with questions from the American-citizenship test, less than 29 percent could name Joe Biden as the sitting vice-president.

http://nymag.com/intelligencer/2019/04/poll-12-percent-of-americans-never-heard-of-mike-pence.html