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Nielsen Announces May U.S. Search Share Rankings, With Total Searches Increasing 20 Percent Year-Over-Year

Nielsen Also Provides Top Parent Companies/Divisions and Top Web Brands for May

New York, US – June 16, 2009 – Nielsen reports May 2009 data for the Top U.S. Search Providers. Total U.S. searches increased 20.3 percent year-over-year, from 7.8 billion in May 2008 to 9.4 billion in May 2009 (see Table 1).

Table 1: Top 10 Search Providers for May 2009, Ranked by Searches (U.S.)

Provider Searches (000) YOY Growth Share of Searches
All Search 9,440,467 20.3% 100.0%
Google Search 5,968,840 28.2% 63.2%
Yahoo! Search 1,625,253 22.3% 17.2%
MSN/Windows Live Search 891,502 -14.6% 9.4%
AOL Search 364,784 13.1% 3.9%
Ask.com Search 205,438 21.9% 2.2%
My Web Search 77,283 44.7% 0.8%
Comcast Search 55,853 33.1% 0.6%
Yellow Pages Search 33,141 N/A* 0.4%
NexTag Search 27,189 29.9% 0.3%
AT&T Worldnet Search 17,719 -32.4% 0.2%

Source: Nielsen MegaView Search
* A year-over-year comparison is not possible because of a definitional change to Yellow Pages Search.


Searches represent the total number of queries conducted at the provider. Example: An estimated 6.0 billion search queries were conducted at Google Search, representing 63.2 percent of all search queries conducted during the given time period.

Table 2: Top 10 Parent Companies/Divisions for May 2009 (U.S., Home and Work)

Parent Unique Audience (000) Time Per Person (hh:mm:ss)
Google 137,915 1:52:04
Microsoft 126,851 2:23:30
Yahoo! 120,440 3:13:57
AOL LLC 85,148 3:37:50
News Corp. Online 79,657 1:10:25
Facebook 75,444 3:12:13
InterActiveCorp 65,478 0:19:00
eBay 64,209 1:33:34
Amazon 58,706 0:23:57
Wikimedia Foundation 57,234 0:20:11

Source: Nielsen NetView

Example: The data indicates that 57.2 million home and work Internet users visited at least one of the Wikimedia Foundation-owned sites or launched a Wikimedia Foundation-owned application during the month, and each person spent, on average, a total of 20 minutes and 11 seconds at one or more of their sites or applications. The parent level is defined as a consolidation of multiple domains and URLs owned by a single company or division. The brand level is defined as a consolidation of multiple domains and URLs that has a consistent collection of branded content.

Table 3: Top 10 Web Brands for May 2009 (U.S., Home and Work)

Brand Unique Audience (000) Time Per Person (hh:mm:ss)
Google 131,257 1:17:04
Yahoo! 118,949 3:14:28
MSN/Windows Live 101,496 2:20:14
Microsoft 98,227 0:39:55
AOL Media Network 85,148 3:37:50
YouTube 80,823 0:54:48
Facebook 75,444 3:12:13
Fox Interactive Media 66,194 1:13:55
Wikipedia 57,144 0:20:04
Apple 55,716 1:14:24

Source: Nielsen NetView

Table 4: Average U.S. Internet Usage, Combined Home & Work, Month of May 2009

Sessions/Visits per Person 59
Domains Visited per Person 104
Web Pages per Person 2,352
Duration of a Web Page Viewed 0:00:56
PC Time per Person 67:39:05
Active Digital Media Universe 168,670,941
Current Digital Media Universe Estimate 230,530,606

Source: Nielsen NetView