In the United States, where the single was issued by Capitol Records on 6 December (as Capitol 5555), both songs entered the "Billboard" Hot 100 on the week ending 18 December. On 8 January 1966, "We Can Work It Out" hit number 1 on the chart, while "Day Tripper" entered the top ten at number 10. "We Can Work It Out" spent three non-consecutive weeks at number 1, while "Day Tripper" peaked at number 5. The song was the band's eleventh US number 1, accomplished in just under two years since their debut on the Hot 100. It was their sixth consecutive number 1 single on the American charts, a record at the time. The single was certified gold by the Recording Industry Association of America, for sales of 1 million or over, on 6 January 1966.