It's obvious that voice search has significantly changed user behavior on the Internet.
From the way searches are done, if you search by text and fax lists want to know the time in Paris, you would type "Paris time." However, if you search by voice, the person would say something like, "What time is it in Paris?"
There are some current and predictive voice search statistics that will get you started thinking about mobile:
According to Search Engine Watch , voice searches were 35 times more frequent in 2016 than in 2008, meaning that growth has continued.
At least 1 in 5 adult internet users have used voice search in the past month, according to the Global Web Index .
It is estimated that by 2020, 50% of searches will be by voice globally, according to studies by Comscore .
Similarly, for next year, 21.4 million devices are expected to be 100% voice-enabled in the United States alone, according to Activate .
While 30% of searches will be done without a screen, according to Google itself.