📉 Instagram’s Fastest-Growing U.S. Accounts in August
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HypeAuditor data shows that Instagram’s fastest-growing U.S. accounts in August 2026 gained attention through D23 announcements, tributes, film and streaming releases, viral moments, regular uploads, and news coverage.

Sadie Sink gained 2.1 million followers to reach 34.8 million.
Dolly Parton gained 1.5 million followers after her August 25 death prompted widespread tributes. The ranking shows several distinct paths to growth.
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➡️ D23 drove four of the top 10 accounts
Sadie Sink gained 2.1 million followers after debuting as Jean Grey at Disney’s D23 Expo. Inde Navarrette gained 1.2 million after being revealed as Rogue. Robert Downey Jr. gained 1 million after new Avengers: Doomsday footage. Marvel Entertainment gained 696,000 after the weekend’s reveals.
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➡️ Tributes drove a major surge
Dolly Parton reached 10.1 million followers after her death prompted tributes from fans, musicians, and officials across social media. Her gain ranked second for August.
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➡️ Film and streaming releases lifted accounts
Zendaya gained 963,000 followers as Spider-Man: Brand New Day crossed $1 billion worldwide in six days. Ella Rubin gained 689,500 after Sterling Point premiered on Amazon Prime Video as a No. 1 global hit and was renewed for a second season.
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➡️ Viral moments and uploads mattered
Lin Lamar gained 716,900 followers after a clip from her 20 v 1 dating segment on Drake’s Kick livestream spread widely. MrBeast gained 903,700 followers while maintaining his regular YouTube upload schedule.
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➡️ News coverage extended beyond entertainment
Mayor Zohran Kwame Mamdani gained 878,500 followers amid national coverage of his administration’s pied-à-terre tax rollout and an ethics complaint filed by a Washington-based watchdog group.
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August’s ranking shows no single cause of Instagram growth. The largest gains followed D23 announcements, public tributes, box-office attention, a viral livestream clip, a streaming premiere, regular uploads, and ongoing news coverage. The results show where attention gathered during the month, but do not establish that another account will see the same result.

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