25% of voice assistants in use worldwide are Apple's Siri

Futuresource also predicts four out of every five consumer electronics products sold will exhibit some form of virtual assistant capability by 2024.

Apple Really Wants You to Use Siri — Here's Why

The Comprehensive Guide to Voice Assistants (2022)

41 Voice Search Statistics 2024 (Usage & Emerging Trends)

Voice assistants are doing a poor job of conveying information about voting

Hey Siri: What Should Users Know About Voice-Controlled Tech?

U.S. voice assistant use by device 2021

Siri and Google Assistant are tied as most popular digital voice assistants – Apple World Today

The State of Voice Search in 2020! What's Happening and What Can We Expect? – Beanstalk

Semrush Voice Search 2020: Leveraging Voice Search for Local Businesses

New Data on Voice Assistant SEO is a Wake-up Call for Brands

Siri leads the virtual assistant world with a 35% market share