China
The majority of Apple's iPhones are still assembled in China by partner Foxconn.
China accounts for around 80% of Apple's production capacity, according to estimates from Evercore ISI in a note last month.
Around 90% of iPhones are assembled in China, Evercore ISI said.
While the number of manufacturing sites in China dropped between Apple's 2017 and 2020 fiscal year, it has since rebounded, Bernstein said in a note last month. Chinese suppliers account for around 40% of Apple's total, Bernstein said.
Evercore ISI estimates that 55% of Apple's Mac products and 80% of iPads are assembled in China.