The Internet's history goes back some decades by now email has been around since the $1960$s$,$ file sharing since at least the $1970$s$,$ and TCP$/$IP was standardized in $1982.$But it was the creation of the World Wide Web in $1989$ that revolutionized our history of communication. The inventor of the World Wide Web was the British scientist Tim Berners$-$Lee, who created a system to share information through a network of computers. At the time he was working for the European physics laboratory CERN in the Swiss Alps.Here, I want to look at the global expansion of the internet since then.This chart shows the share and number of people that are using the internet, which in these statistics refers to all those who have used the internet in the last $3$ months$\mathrm{.}1$You can also explore interactive versions of the chart with the most recent available global data.The chart starts in $1990,$ still one year before Berners$-$Lee released the first web browser and before the very first website was online $($the site of CERN, which is still online$).$ At that time very few computers around the world were connected to a network; estimates for $1990$ suggest that only half of a percent of the world population were online.As the chart shows, this started to change in the $1990$s$,$ at least in some parts of the world: By the year $2000,$ almost half of the population in the US was accessing information through the internet. But across most of the world, the internet had not yet had much influence $93\%$ in the East Asia and Pacific region and $99\%$ in South Asia and in Sub$-$Saharan Africa were still offline in $2000.$ At the time of the Dot$-$com$-$crash less than $7\%$ of the world was online.Fifteen years later, in $2016,$ three$-$quarters $(76\%)$ of people in the US were online and during these years countries from many parts of the world caught up: in Malaysia $79\%$ used the internet; in Spain and Singapore $81\%$; in France $86\%$; in South Korea and Japan $93\%$; in Denmark and Norway $97\%$; and Iceland tops the ranking with $98\%$ of the population online$\mathrm{.}2$At the other end of the spectrum, there are still countries where almost nothing has changed since $1990.$ In the very poorest countries including Eritrea, Somalia, Guinea$-$Bissau, the Central African Republic, Niger, and Madagascar fewer than $5\%$ are online. And at the very bottom is North Korea, where the countrys oppressive regime restricts the access to the walled$-$off North Korean intranet Kwangmyong and access to the global internet is only granted to a very small elite.But the overarching trend globally and, as the chart shows, in all world regions is clear: more and more people are online every year. The speed with which the world is changing is incredibly fast. On any day in the last $5$ years there were on average $640,000$ people online for the first time$\mathrm{.}3$ This was $27,000$ every hour.For those who are online most days it is easy to forget how young the internet still is$.$ The timeline below the chart reminds you how recent websites and technologies became available that are integrated to the everyday lives of millions: In the $1990$s there was no Wikipedia, Twitter launched in $2006,$ and Our World in Data is only $4$ years old $($and look how many people have joined since then$4).$And while many of us cannot imagine their lives without the services that the internet provides, the key message for me from this overview of the global history of the internet is that we are still in the very early stages of the internet. It was only in $2017$ that half of the world population was online; and in $2018$ it is therefore still the case that close to half of the world population is not using the internet$\mathrm{.}5$

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