Young people largely drove the early stages of Internet growth but in recent years the sharpest rise in Web use in developed nations has been amongst people aged 70 and over, experts said Monday.
"Older adults are the fastest growing demographic on the Internet," said Professor Vicki Hanson of the School of Computing at Scotland's University of Dundee on the opening day of a global World Wide Web conference in Madrid.
AdvertisementWhile just over one-fourth, or 26 percent, of 70-75 year olds went online in the United States in 2005, the proportion was 45 percent last year, according to data from the Pew Internet & American Life Project, she said.
The percentage of those aged 76 years and over who surf the Web rose during the same period from 17 percent to 27 percent.
Britain has experienced similar sharp gains in Internet use by people in this age group, said Andrew Arch of the World Wide Web Consortium (W3C), the main international standards organisation for the Web.
"They are basically doing the same things as everyone else. Using the Web for communication, then quickly moving to other activities like information seeking, online banking, shopping," said Arch who works to boost Web accessibility for older and disabled users.
Sending and receiving e-mail is the most popular online activity for Internet users age 64 and older, according to the Pew study.
But older Internet users are less likely than younger Web surfers to do online banking and shopping, and far less likely to use social networking sites, it found.
"They are not on Twitter," said Hanson, referring to the microblogging Web site whose popularity got a huge boost last week as US talk show diva Oprah Winfrey became the latest big name celebrity to join the craze.
With the percentage of the population aged 60 and over expected to reach 20 percent by 2050, experts said the numbers of older Web browsers is set to continue to rise.
And with many countries increasing the retirement age, being able to use the Web will become a requirement for an increasing number of older workers.
But the physical problems that come with old age still act as a barrier to getting online. Poor vision can make reading text on the screen a challenge. Arthritis and motor control problems can make manoeuvring a mouse difficult.
Web sites can make it easier for older surfers by using larger fonts, higher contrast and extra spaces at the end of sentences, said Arch.
"The typical web developer does not really understand that the world is ageing the way it is," he said, adding the changes he is suggesting would make it easier for people of all ages to use the Internet.
"It is like footpaths. They were initially set up for the disabled but then everyone found them very useful," he said.
The number of people going online has surpassed one billion for the first time, according to online metrics company comScore.
It counts only unique users above the age of 15 and excludes access in Internet cafes and through mobile phones.
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