Key Internet Statistics to Know in 2021 (Including Mobile)

Posted under: Internet

Each year the internet grows, but 2020 was a special year. The Coronavirus pandemic sent everyone home and forced us to rely on digital technology more than we ever had to before. Social media, video platforms, eCommerce, and search all saw increased usage. The big question everyone is asking is: will this continue?

It's likely some of the trends that emerged in 2020 will subside, but many more will stick. To get a clearer picture, here are all the most relevant statistics about the internet in 2021.

2021 General Internet Usage Statistics

  • With a current worldwide estimated population of 7.8 billion, approximately 4.93 billion people have access to and use the internet frequently. That means that 63.2% of the world population uses the internet.
  • From the year 2000 to 2020, the usage of the internet increased by 1,266%.
  • In 2021, Asia continues to account for the majority of internet users. 2,555,636,255 people in Asia are online, which makes up 51.8% of the global internet population.
  • 90.3% of North America and 87.2% of Europe have access to and use the internet daily. These are the two regions in the world with the highest internet penetration rates.
  •  The Middle East has seen a 5,227% growth in internet usage since 2000.
  • There are currently 370.7 million registered domain names in the world.
  • 34.5% of all websites are using WordPress as their content management system.
  • That's over 127 million websites.
  • In 2021, 306 billion emails are being sent per day. By 2022, this number is expected to increase to 333.2 billion emails sent and received per day.
  • Every minute, Americans generate 3,138,420 GB of internet traffic.

The most common domain name extensions are:

  • .com
  • .net
  • .org
  • .co
  • .us

2021 Internet Traffic Statistics

  • In 2020, 50.3% of all traffic worldwide was conducted on mobile phone devices. This dip compared to the year before could be due to the increased dependence on desktop devices during the Coronavirus pandemic or part of a larger trend. Most indications are that mobile will settle somewhere near 50 percent of all traffic.
  • In 2009, just 0.7% of internet traffic worldwide was from mobile devices.
  • 63.38% of people browsing the internet are using Google Chrome as their primary browser.
  • 19.25% of people browsing the internet are using Safari to do it.
  • 3.77% of internet users choose Firefox as their main browser.

The top 10 most visited sites on the web in 2020 were:

1. Google

2. YouTube

3. Tmall

4. Baidu

5. QQ

6. Sohu

7. Facebook

8. Taobao

9. Amazon


Compared to 2019, Google and YouTube remained in the same positions, but Facebook fell from 4 to 7 after falling from 3 to 4 the year before. The next four sites on the list are all Chinese websites, an indicator of the continued growth in China's internet use. jumped into the top ten for the first time last year. The eCommerce giant has been growing rapidly, but there is no doubt it got a boost from all the extra online shopping that has been happening during the pandemic.

  • 6.7 million people blog on popular blogging sites like Tumblr, Blogger, and more.
  • Blogger is the largest blogging platform with over 46 million monthly active users. The majority of bloggers are women.
  • Currently, there are more than 2 billion websites online.

Every second that a customer has to wait to load a web page increases their likelihood of clicking out. Research shows that as load times go from 1 second to 3 seconds, the probability of this occurring increases by 32%. If a page takes 10 seconds to load, it increases to 123%.

  • The average speed of websites in every industry in the United States is 5-6 seconds. Yet, the best practice, according to Google, is 3 seconds.
  • More than 1.5 million songs are streamed on Spotify each minute.

Social Media Statistics

The most popular social media channels in the world are:

  • Facebook: 2.7 billion active users
  • YouTube: 2 billion
  • Facebook Messenger: 1.3 billion active users
  • Instagram: 1.158 billion active users
  • LinkedIn: 766 million active users
  • TikTok: 689 million
  • Twitter: 330 million active users (down from 335 million in
  • Snapchat: 294 million active users

  • In 2021, there are 3.96 billion social media users around the world.

  • Facebook is the seventh most visited website in the world.
  • YouTube is the number one downloaded app globally in 2021.
  • 68% of Americans use Facebook as their primary social media channel, followed by 35% using Instagram, 29% using Pinterest, and 24% on Twitter.
  •  Only 35% of people using Facebook are under 25.
  • 66% of monthly active users on Facebook come back to the platform every day. 74% of American users are found on the platform daily, too.
  • The average American uses Facebook for nearly 1 hour (58 minutes) every day.
  • The average session duration on Facebook is between 10 and 12 minutes.
  • 88% of Facebook traffic comes from mobile devices using the Facebook mobile application.
  • Facebook isn't just for connecting with friends and family or using Messenger. In fact, 78% of users have used the platform to find new products and services. Facebook is the most popular marketing platform for any social media channel for B2B and B2C businesses.
  • 80% of people using Instagram are outside of the United States.
  • 34% of users are Instagram are in the "Millennial" generation category.
  • 25% of smartphone users have the Instagram application installed on their device.
  • 22% of Instagram accounts login every single day.
  • 38% of all Instagram users will check their application more than once per day.
  • In a single day on Instagram, 4.2 billion pictures are "liked." To add to that, there are nearly 100 million new pictures/posts created on Instagram every day, and 400 million more stories are posted. Story feature usage has increased by 100 million posts since 2017.
  • Every minute, there are 79,740 posts published on Tumblr, 176,220 calls made on Skype, 473,400 tweets sent on Twitter, and 2,083,333 snaps sent on Snapchat.

Video Statistics

There are dozens of streaming platforms worldwide. The most popular video streaming platforms are:

  • YouTube: 1.8 billion unique monthly visitors
  • Netflix: 150 million unique monthly visitors
  • Vimeo: 130 million unique monthly visitors
  • Yahoo! Screen: 125 million unique monthly visitors
  • DailyMotion: 100 million unique monthly visitors
  • Hulu: 75 million unique monthly visitors

Here are some statistics on video streaming:

  • 45% of people globally watch an hour or more of online video content every day.
  • 50% of people between the ages of 18 and 34 would drop their current task to watch a new YouTube video from a channel they subscribe to.
  • 40% of Millennials report trusting YouTube for high-quality content. 60% of them stated that videos on the platform had impacted their personality and worldview.
  • Video is an integral part of the buying journey for consumers in the modern world. 50% of people on the internet watch videos and product demos before purchasing anything.
  • Videos that go over two minutes in length tend to see a significant drop-off in user retention. But, if someone watches more than six minutes of your video, they are likely to stay for the entirety of it.
  • In the last few years alone, mobile video-based advertising spend has increased by 95%.
  • More than 50% of content consumed on YouTube is watched via mobile devices and the YouTube mobile application.
  • 90% of video views on Twitter happen through their mobile app.

Search Statistics

Google accounts for 87.96% of the global search engine market. The rest is divided amongst Bing, Ask, and DuckDuckGo. For mobile search engine market share, again dominates with 93.2% of usage worldwide.

The top ten most popular search terms in 2020 were considerably different than those from 2019. This makes sense, as 2020 was a year like no other. These were the most popular search terms in 2019. (sorted by monthly searches):

  • Weather - 24.4 million
  • Maps - 20.4 million
  • Translate - 18.3 million
  • Calculator - 16.2 million
  • YouTube to MP3 - 13.7 million
  • Speed Test - 12.6 million
  • News - 8.25 million
  • Thesaurus - 6.7 million
  • Powerball - 5.7 million
  • Donald Trump - 5.6 million

The most popular search terms in 2020 were:

As you can see, the pandemic, and the tools we can use to adapt to it, were at the top of people's minds throughout the past year.

  • Google processes over 3.5 billion searches every single day. That's 1.2 trillion searches each year and 40,000 every second. 
  • In 1999, Google crawlers took an entire month to index 50 million website pages. In 2012, they accomplished the same task in under 60 seconds.

Ecommerce Statistics

  • In 2018, global eCommerce (online store) sales totaled 653 billion United States dollars.
  • 96% of Americans shop with online stores at least once per year.

  • In 2021, mobile eCommerce sales now account for 72.9% of all online purchases, totaling 3.56 trillion dollars.
  • Currently, 1 in 4 dollars of eCommerce spending is spent on mobile devices. Toys and hobbies were the number one item categories of purchase. The second was video games, consoles, and accessories.

eCommerce sales are largest around the holiday season and weekend days (Saturday, Sunday). According to the latest study, Cyber Monday is the most popular day for eCommerce sales, totaling 7.8 billion dollars in 2018 alone. Black Friday produced 5.9 billion in eCommerce sales in 2018.

The 2020 holiday season was a great year for eCommerce businesses, no doubt because of the pandemic. More people chose to shop from home than ever before. eCommerce sales around the holidays have been growing for years. It will be interesting to see if the growth experienced in 2020 repeats itself in 2021.

Billions of people around the world use eCommerce. Here are the top countries for eCommerce users:

  • China: 1.03 billion people shop online
  • United States: 259 million people shop online
  • Brazil: 119 million people shop online
  • Germany: 64 million people shop online
  • Mexico: 60 million people shop online
  • United Kingdom: 53 million people shop online

Despite being the leader of total eCommerce users, the average revenue produced per user in China is only $634. In the United States, the average revenue per eCommerce user is $1,952.

When it comes to the average order value of online shopping (globally), desktop is the winner. Desktop purchases online average at $179.98. Online orders via tablets average at $87. Smartphones and mobile devices have an average order value of $79.33.

Amazon is the number one eCommerce retailer in the United States, accounting for 49.1% of all online shopping. Next is eBay with 6.6%, followed by Apple, Walmart, The Home Depot, and Best Buy.


The internet and technologies are continually changing. Be sure to check back for more as we keep updating this ultimate list of internet statistics. Feel free to use them in your writing, blogs, websites, and more.

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