How Popular is Unicode UTF-8

By Xah Lee. Date: 2010-01-29. Last updated: 2022-07-30.

Utf-8 Usage on the Web

2010 → 50.6%
2011 → 59.8%
2012 → 68.0%
2013 → 74.7%
2014 → 78.7%
2015 → 82%
2016 → 87.2%
2017 → 88.2%
2018 → 90.5%
2019 → 94.6%
2020 → 95%
2021 → 96%
2022 → 97.6%

Source: http://w3techs.com/technologies/history_overview/character_encoding/ms/y

unicode usage 2020-08-16 zwHj6 — unicode usage, year 2010 to 2020

The following is 2001 to 2010.

unicode on web — Unicode use on the web. 〔Unicode nearing 50% of the web 2010-01-28. By Mark Davis, Senior International Software Architect at Google. At http://googleblog.blogspot.com/2010/01/unicode-nearing-50-of-web.html〕

See also: Unicode Basics: Character Set, Encoding, UTF-8