Interview with Hermann Hauser, Founder of Arm(theguardian.com)
theguardian.com
Interview with Hermann Hauser, Founder of Arm
https://www.theguardian.com/business/2022/jul/23/hermann-hauser-founder-of-arm-brexit-is-the-biggest-loss-of-sovereignty-since-1066
5% of Smartphone, that is roughly 225 million smartphone not using ARM. Apart from some early Intel x86 SoC sold in China, which should all be gone by now and not anywhere near that unit volume. I am not aware of any Smartphone sold using non-ARM ISA.