https://ereader.blog/kindle-statistics/

• Amazon Kindle holds 72% of the e-reader market.

• 33.7% of users said they spend 60-90 mins daily reading on a kindle, whereas 5.3% do less than 10 mins.

• 72.14% of users use open-source software called Calibre for managing their books.

The e-reader market is dominated by Amazon Kindle, which holds 72% of the market share . Barnes & Noble, Nook follows close behind with 10%, while alternative apps make up the remaining 18%.

• 85.82% users Kindle users have flown with their device at least once.

These are facts on how many Kindles are used and how they are the most popular form of e-reader.

https://justpublishingadvice.com/the-e-reader-device-is-dying-a-rapid-death/

Some 19% of adults report owning an e-reader – a handheld device such as a Kindle or Nook primarily used for reading e-books. This is a sizable drop from early  2014 when 32% of adults owned this type of device.

• While print books are still leading the way, it is well worth noting that both print book and ebook consumption have remained flat over recent years.
• In fact, there has been a slight decline in ebook reading, contrary to earlier economic forecasts.
• However, these statistics may not take Amazon Prime and Kindle Unlimited ebook subscription reading into account.
• Publish in all three formats to give your books the best chance of being read.
• Give readers the choice of versions, so they can buy your book in the format they prefer.