Analysis: 345M smartphones shipped in Q1 2018, down 2.4% YoY; iPhone X was world's best-selling smartphone with 16M units shipped this quarter
Linda Sui / Strategy Analytics :
Context & Ripple Effects
The Q1 2018 numbers land mid-arc in a market that was already contracting: Strategy Analytics counts 345M units shipped worldwide, down 2.4% year over year, and the quarter's standout is a $999 device — the iPhone X at 16M units — rather than any volume leader. That split matters because it previews how the rest of 2018 played out.
The same quarter saw US smartphone sales fall 11% while Apple's US iPhone shipments grew 16%, per Counterpoint — evidence that the decline was concentrated in the mid-market, not the premium tier. The follow-on coverage then shows the volume side of the story: Huawei passed Apple for second place worldwide by Q2, and Apple closed out what IDC called the industry's worst year on record.
First-order effects
- Apple converts a shrinking market into a win: the iPhone X's 16M units make it the world's best-selling model even as total shipments fall 2.4%, confirming that premium buyers were still upgrading while the broader market stalled.
Second-order effects
- Volume-hungry rivals respond where Apple isn't looking — within one quarter Huawei passes Apple for the No. 2 spot worldwide (342M units shipped in Q2 2018), pushing the market toward a two-speed structure of premium Apple versus high-volume Android challengers.
Third-order effects
- If the pattern holds, growth shifts from unit sales to price and mix: the market keeps shrinking through 2018 (IDC's Q4 tally closed out the worst year on record) and again into 2022 (the lowest Q3 level since 2014), leaving vendors to fight over upgrades and average selling prices rather than new users.
The trend: Smartphones are maturing into a replacement-driven market where a shrinking installed base pushes vendors toward opposite poles — premium pricing at Apple and share-taking volume at Huawei and Samsung.