In the United States, "Peaches" debuted atop the
Billboard Hot 100 chart dated March 30, 2021, becoming the
50th song to debut at number one, and giving Bieber his seventh number-one single and 23rd top-ten hit. "Peaches" started with 30.6 million US streams, becoming his fifth number-one song on
Streaming Songs chart, at the No. 3 on
Digital Songs chart with sales of 16,000 units, and attracted 12.1 million radio airplay audience impressions. Due to the song reaching the summit, Bieber tied Canadian rapper and singer
Drake as the only male artists with four number-one entrances on the chart. The song additionally became both Caesar and Giveon's first number-one single on the chart. With the song's parent album,
Justice, entering the
Billboard 200 at the top position in the same week, Bieber became the third artist to debut at number one on both charts simultaneously, following
BTS and
Taylor Swift in 2020, as well as the first male soloist to do so. In the United Kingdom, "Peaches" debuted at number one on the Official Trending Chart dated March 23, 2021. It entered the
UK Singles Chart at number three, earning Bieber the week's highest new entry. The song rose to a new peak of number two on its third week on the chart, maintaining its position for four consecutive weeks. In Ireland, "Peaches" debuted atop the
Irish Singles Chart and became Bieber's seventh number one single. Bieber also claimed the Official Irish Chart Double as
Justice debuted at number one on the
Irish Albums Chart. In Australia, "Peaches" debuted at number two on the
ARIA Singles Chart. The song peaked at number one on its third week on the chart, becoming Bieber's fourth number one single and earning him a chart double with
Justice spending a second non-consecutive week atop the national albums chart. The song stayed at the top position the following week. In New Zealand, "Peaches" entered the singles chart at number one and held the position for six consecutive weeks, earning Bieber his tenth number-one single in the country. ==Live performances==