What are the mobile phone penetration rates in Scandinavia, UK and/or
USA for children. I am ideally looking for 8-17 years of age, but
other similar segmentation should work as well. Statistics should be
no older than 2002.

< Youth mobile penetration.

UK
According to a 2002 survey by Oftel mobile penetration in the UK for
children aged 12-14 is 83%. For the age group 15-24 it is 86%.
http://www.competition-commission.org.uk/rep_pub/reports/2003/fulltext/475a8.2.pdf

According to the research group mobileYouth, 400,000 UK children under
the age of 10 own a cell phone.
http://www.cellular-news.com/story/9500.shtml

In the UK, 1 in 9 children aged between 5 and 9 own a mobile phone.
http://www.mgain.org/d822/consumer_demographics1.pdf

1 in 4 of Britain?s 25 million mobile phone users is aged under 18.
http://www.guardian.co.uk/theissues/article/0,6512,639561,00.html

---------------------------------------------------
U.S.
According to Teenage Research Unlimited (October 2003), 47% of 12 to
19 year olds own cell phones.
http://www.kansascity.com/mld/kansascity/business/personal_finance/7720805.htm

-------------------------------------------------
Scandinavia.
A study conducted in May 2003, by Tampere University of Technology
found that nearly 75 percent of children aged 10 to 15 in Finland have
a mobile phone.
http://www.mobile.commerce.net/story.php?story_id=3237

According to a report from the Yankee Group, 75% of teenagers in
Scandinavia have cell phones.
http://www.pcanswer.com/articles/synd_cellphones.htm
----------------------------------------------------

Europe.
According to Accenture (2002), in Europe, 73% of children aged 10-17
use mobile phones.
http://66.102.11.104/search?q=cache:Rz_BgbHeGl0J:www.mgain.org/d822/consumer_demographics1.pdf+%22penetration+rates%22+phones+children&hl=en&ie=UTF-8>

<Search strategy:>

<penetration "own mobile phones" children >
<://www.google.com/search?sourceid=navclient&q=penetration+%22own+mobile+phones%22+children+>

<phones survey  scandinavia "of children">
<://www.google.com/search?q=phones+survey++scandinavia+%22of+children%22&hl=en&lr=&ie=ISO-8859-1>

<"own mobile phones" children uk >
<://www.google.com/search?q=+%22own+mobile+phones%22+children+uk+&hl=en&lr=&ie=UTF-8&start=10&sa=N>


<Hope this helps.>

Really great, deep and comprehensive answer! Thank you very much!