a11y facts
A collection of facts and figures about digital accessibility.
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15% of the world's population, or estimated 1 billion people, live with disabilities. They are the world's largest minority.
World Health Organization (2021)
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Globally, at least 2.2 billion people have a near or distance vision impairment.
World Health Organization (2021)
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Color blindness affects approximately 1 in 12 men (8%) and 1 in 200 women in the world.
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Globally more than 1.5 billion people experience some decline in their hearing capacity during their life course, of whom at least 430 million will require care.
The World Report on Hearing (2021)
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By 2050 nearly 2.5 billion people will be living with some degree of hearing loss, at least 700 million of whom will require rehabilitation services.
The World Report on Hearing (2021)
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More than 1 billion young people put themselves at risk of permanent hearing loss, often unknowingly, by listening to music at loud intensity over long periods of time.
The World Report on Hearing (2021)
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96.7% of all detected accessibility errors fall into these six categories:
- Low contrast text
- Missing alternative text for images
- Missing form input labels
- Empty links
- Missing document language
- Empty buttons
Addressing just these few types of issues would significantly improve accessibility across the web.
The WebAIM Million (2021)
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Low contrast text is the most common accessility issue, it appears on 86.4% of home pages.
The WebAIM Million (2021)
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Over one third of the images on the web to have missing, questionable, or repetitive alternative text.
The WebAIM Million (2021)
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45% of form inputs are not properly labeled.
The WebAIM Million (2021)
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More than 53% of screen reader users use Google Chrome.
Screen Reader User Survey (2021)
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91.1% of screen reader users use Windows OS.
Screen Reader User Survey (2021)
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Less than 2% of screen reader users use Linux OS.
Screen Reader User Survey (2021)
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72% of screen reader users use Apple devices as a primary mobile devices.
Screen Reader User Survey (2021)
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More than 30% of screen reader users often use skip links.
Screen Reader User Survey (2021)
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67.7% of screen reader users using headlines for navigating.
Screen Reader User Survey (2021)
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More than 85% of screen reader users find proper heading structures very useful.
Screen Reader User Survey (2021)
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Safari is the most popular browser among screen reader users on mobile, it used by 61.5% of users.
Screen Reader User Survey (2021)
More facts to come, stay tuned.