Latest Stats as at 21/10/2009.
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These figures cover the 15-day period 1/10/2009 to 15/10/2009.

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Vista Market Share
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For period 1st to 15th October 2009, these percentage figures 
are based on visits, and some earlier figures are in brackets:-

XP 57.1 (was 57.6, 58.3, 57.6, 57.1, 58.1, 58.9, 61.6, 62.1, 61.8, 63.6)
Vista 25.5 (was 25.4, 25.6, 25.8, 25.6, 25.3, 25.0, 24.9, 24.6, 24.0)
Windows-7 1.5 (was 1.2, 1.1, 1.0, 0.8, 0.7, 0.9, 0.6, 0.4) 
Other Windows 3.4 (was 3.4, 3.8, 3.8, 4.1, 4.1, 4.1, 4.0, 3.7, 3.3, 3.8)
Mac 8.7 (was 8.7, 8.0, 8.5, 9.0, 8.2, 7.7, 6.3, 6.5, 7.7, 7.0, 7.1, 7.2)
Linux 1.2 (was 1.2, 1.2, 1.2, 1.4, 1.5, 1.4, 1.1, 1.1, 1.0, 0.8, 1.2) 
Mobiles 2.6 (was 2.5, 2.1, 2.1, 2.0, 2.1, 2.0, 1.6, 1.6, 1.8, 1.8, 1.4)

Only a slight change. XP and Vista are pretty steady.

The Windows 7 percentage after 4 months now exceeds Linux after 
many years. The percentage of mobiles continues to climb.

The total sample size was 13687 visits by humans.
 
Browser Breakup
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Percentages of visits for the period 1st to 15th October 2009.

IE 60.6 (was 60.6, 62.0, 62.0, 62.3, 62.5, 60.7, 64.2, 62.8, 62.4)
FF 24.7 (was 25.7, 24.2, 24.8, 24.1, 23.8, 25.9, 24.9, 25.8)  
Safari 7.7 (was 7.7, 7.2, 7.0, 7.5, 6.6, 6.0, 5.4, 5.5, 6.0, 5.9)
Chrome 3.5 (was 2.8, 3.3, 2.6, 2.7, 2.8, 2.9, 2.2, 2.3, 1.9, 1.9)
Opera 1.9 (was 1.7, 1.9, 1.9, 1.8, 2.3, 2.4, 2.0, 2.2, 1.6, 1.7)
All Others 1.6 (was 1.5, 1.4, 1.6, 1.7, 1.9, 2.1, 1.5, 1.5, 1.9)

Well there you go, Firefox is loosing market share to Chrome and Opera.
That's what happens when you keep adding new features that are 
pointless, annoying and difficult to use.  But they won't listen.

The total sample size was 13319 visits by humans.

Search Engines Share
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Percentage breakup of visits coming via search engines 
for October 1st to 15th, 2009:-

Google 87.5 (was 88.5, 89.4, 88.0, 87.2, 85.4, 86.1, 86.0, 84.8, 85.4)
Yahoo 6.1 (was 5.8, 5.3, 6.3, 7.0, 7.5, 7.4, 6.5, 7.7, 7.8, 10.3)
Microsoft 3.5 (was 2.8, 2.3, 2.3, 2.5, 3.3, 3.2, 4.2, 3.3, 3.1, 2.4
All others 2.8 (was 2.9, 3.0, 3.4, 3.3, 3.8, 3.3, 3.2, 4.2, 3.8, 3.8)

The Bing/Microsoft share has risen noticeably.  As explained below,
this is caused by their share in the USA and is not a world trend.
At 6.1%, Yahoo has improved a little from its low point under 6%.

The sample size here was 10354.  

Global Search Engines Market Share
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Here are some percentage figures for market share round the world.  

The counting has been greatly improved and the unit is now visits.

The four percentages following are Google-Yahoo-Microsoft-Others:-

Australia/NZ: 91.5, 3.6, 3.1, 1.7
USA/Canada: 79.8, 10.6, 5.8, 3.8
Europe: 93.4, 2.1, 1.3, 3.2
UK/Ireland: 91.3, 1.4, 3.5, 3.7
Asia: 72.8, 23.4, 1.6, 2.1
Rest of the world: 90.6, 2.9, 2.7, 3.7

World totals: Google 87.5, Yahoo 6.1, Microsoft 3.5, Others 2.8.

Bing from Microsoft has its main audience in the USA.  
It's clearly unpopular in Europe.

Yahoo is most popular in USA, UK and Australia and much of Asia 
(notably Malaysia, Taiwan, Philippines, Singapore, Japan, 
Hong Kong but not China). 

Essentially, countries round the world are grouped into 
two categories - Google enthusiasts, and countries where 
Bing and Yahoo have a reasonable market share.     

Lesser search engines, even the major small ones such as Ask and AOL
are in serious decline, and this is being studied.

Market Share by Continents
==========================

My previous figures giving Australia a 9% share of overall 
hits were incorrect. A lot of hits classified as "Rest of the World" 
were errors that should have been categorised as Australia.

The database that translates IP addresses into Countries was 
downloaded from the web.  It appeared to have less than 2% 
errors, but as it turned out many of these errors affected
Australian IP Addresses. 

Some revised figures are being prepared. As previously known, 
it's much closed to a reasonable four-way split between Australia,
America, Europe (including UK) and Others (including Asia).

Stating the obvious, the Internet is clearly a part of the 
developed world.  There are about 250 countries around the world, 
but only 136 appeared in the statistics for a two week period,
and just 12 countries made 78% of the total visits. 
Six of these countries speak English as their first language.  
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