In business, what is the general ratio of IT (Information Technology)
personnel to total number
of employees?  For example, in a company of 50 workers, how many IT
staff are employed?  For a company of 100?  150?  200?  250?  (Would
like to see the differential, if any, between these organization sizes.)

Hello ekim2006,

Ratio of IT Staff to Employees

IT staffing levels can vary significantly by the size of the company. 

The typical IT staffing ratio (the number of employees supported by
each IT worker) is 1:27 among all companies.

?Companies with 500 or fewer employees typically have an IT staffing
ratio of about 1:18, while companies with 10,000 or more employees
have a ratio of about 1:40.?

Workforce
http://www.workforce.com/archive/article/23/40/39.php



Ratio of IT Staff to Total Employees 

By Total Number of Employees

Organization Size      Ratio
Less than 500          1:18
500 to <1,000          1:25
1,000 to <5,000        1:23
5,000 to <10,000       1:25
10,000 or more         1:40

At the following link there is the chart showing how many techies
companies have on staff, by total number of employees and by annual
dollar volume.

Workforce
http://www.workforce.com/archive/article/23/40/39_printer.php


Search criteria:
"IT employees OR staff OR employees " ratio "total personnel OR staff OR employees"

I hope the information provided is helpful!

Best regards,
Bobbie7

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Request for Answer Clarification by ekim2006-ga on 31 Mar 2006 05:59 PST

Thank you, Bobbie7!  Is there more specific information for smaller
organization sizes?  We are trying to concentrate on small to medium
businesses, fewer than 250 employees, actually.

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Clarification of Answer by bobbie7-ga on 31 Mar 2006 06:02 PST

Ekim2006,

Thank you for your clarification.
I'll do additional research and hopefully I'll find some more information for you.

Bobbie7

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Clarification of Answer by bobbie7-ga on 31 Mar 2006 07:48 PST

According to The Yankee Group, the ratio of IT staff support to
personal computers in small businesses is 1:25, while medium-sized
businesses have a ratio of 1:33. In fact, some small businesses and 
29 percent of very small businesses have no full time IT staffs at
all, according to Yankee.

WebHosting Articles
http://webhosting.resourceindex.com/articles/000014.html


Additional information that might interest you

Developing the right end-user/IT support staff ratio 

?With so many variables to consider, it's difficult to find the best
ratio of end users to support staff. TechRepublic helps you determine
the best ratio for your shop with advice from Gartner and TechRepublic
members.?
http://techrepublic.com.com/5100-10878_11-1051538.html

Download here:
http://techrepublic.com.com/5138-10878_11-729912.html


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Ratio of IT staff to Non-IT Staff
http://www.ecy.wa.gov/services/as/it_portfolio/1_overview.htm


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The typical ratio of staff to support employees we typically find in
large professional organizations is 6 to1.

?This benchmark is useful but should be considered a loose guide at best.?

?10 to 1 ratio, at least, between staff and support personnel for a
mid-size software company.?

Workforce
http://www.workforce.com/archive/article/22/13/85.php


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IT Budget-to-Revenue Ratio
http://www.infotech.com/MR/Issues/20050726/Articles/IT%20Budget-to-Revenue%20Ratio%20Improves%20IT%20Management.aspx

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I hope this helps!

Sincerely, 
Bobbie7