With the internet becoming increasingly accessible, the number of e-mails sent and received globally has increased each year since 2017. In 2022, there were an estimated 333 billion e-mails sent and received daily around the world. This figure is projected to increase to 392.5 billion daily e-mails by 2026.

E-Mail marketing Despite the increasing popularity of messengers, chat apps and social media, e-mail has managed to remain central to digital communication and continues to grow in uptake. By 2025, the number of global e-mail users is expected to reach a total of 4.6 billion - an approximate six hundred thousand increase in users, up from 4 billion in 2020. Not only that, when it comes to online advertising e-mail has seen higher click-through-rates than on social media. In Belgium and Germany, these were 5.5 and 4.3 percent respectively - compared to the 1.3 percent global average CTR for social media during the same time period.

Gmail Launched in April 2004, Google’s Gmail has earned its spot as one of the most popular freemail services in the world. According to a 2019 survey, its popularity worldwide was trumped only by Apple’s native iPhone Mail app with 26 percent of all e-mail opens worldwide taking place on the platform. Millennials surveyed in the United Kingdom listed Gmail among their top 5 most important mobile apps, while a similar survey carried out in Sweden saw Gmail tie with WhatsApp for a spot among the top mobile apps nationwide.

As of April 18, 2024, the United States was the country with the highest number of emails sent daily, with almost ten billion. Germany and Ireland followed, with 8.5 billion and 8.4 billion emails daily, respectively. Overall, the Netherlands, the United Kingdom, and France each had 8.3 billion emails sent per day. As of December 2023, over 241 million emails were sent worldwide within one minute.

Despite the growth and prominence of mobile messengers and chat apps, e-mail is an integral part of daily online life. In 2023, the number of global e-mail users amounted to 4.37 billion and is set to grow to 4.89 billion users in 2027. Global e-mail audiencesIn 2023, approximately 347 billion e-mails were sent and received every day worldwide. This figure is projected to increase to over 408 billion daily e-mails in 2027. As of July 2022, Apple Mail Privacy accounted for over half of the e-mail opens, while mobile use of e-mails saw a significant decrease in their market shares. Apple MPP e-mail app was the most popular e-mail client, accounting for 55 percent of e-mail opens. Gmail, the free e-mail service owned by Google, was ranked second with a 31 percent open share. Malicious mailMany online users use e-mails for website and newsletter signups and brace themselves for the inevitable flood of spam and marketing communications. Whereas most unwanted e-mails are annoying yet ultimately benign, consumers are right to be wary of malicious e-mail that can be used to compromise their digital accounts and devices. In 2023, 25 percent of fraud reports in the United States related to cases in which victims were contacted via e-mail.

In the digital age, every minute counts as billions of users engage with online platforms worldwide. The year 2024 saw an astounding 251.1 million emails sent, 138.9 million Reels played on Facebook and Instagram, and 5.9 million Google searches conducted every 60 seconds. Social media's continued dominance Social media platforms remain at the forefront of online interactions, with Facebook leading the pack at over three billion monthly active users. The broader Meta ecosystem, including Instagram and WhatsApp, further solidifies its position in the digital landscape. TikTok, a relative newcomer, has rapidly gained traction, generating 186 million downloads in the fourth quarter of 2024 alone. Evolving digital consumption patterns While traditional streaming services like Netflix continue to dominate, with 362,962 hours streamed every minute, the digital media landscape is experiencing shifts in user preferences. Netflix recorded over 300 million paid subscribers worldwide as of the fourth quarter of 2024.

In the second quarter of 2024, 98.6 percent of marketing emails sent by the travel, hospitality, and entertainment (TH+E) sector were delievered to their intendended destinations. Among these, 42.4 percent were opened.

India Revenue per Passenger Kilometres: Non-Suburban: Second Class: Mail or Express data was reported at 0.366 INR in 2017. This records an increase from the previous number of 0.359 INR for 2016. India Revenue per Passenger Kilometres: Non-Suburban: Second Class: Mail or Express data is updated yearly, averaging 0.271 INR from Mar 2004 (Median) to 2017, with 14 observations. The data reached an all-time high of 0.366 INR in 2017 and a record low of 0.258 INR in 2011. India Revenue per Passenger Kilometres: Non-Suburban: Second Class: Mail or Express data remains active status in CEIC and is reported by Ministry of Railways. The data is categorized under India Premium Database’s Transportation, Post and Telecom Sector – Table IN.TB009: Railway Statistics: Revenue and Expenditure.

Between January 1 and February 14, 2024, 486 bios were updated every minute on Tinder. Additionally, 2.1 million messages were sent, and 298 million likes were exchanged every 60 seconds during this peak time.

During a 2021 survey carried out among email marketers from across the globe, it was found that Salesforce Marketing Cloud was the most popular email service provider (ESP), named by 23 percent of respondents; Mailchimp ranked second, mentioned by 21 percent.