How Much Media Is There Anyway? Findings from
HMI? 2010
HMI? 2010
Roger Bohn Jim Short
UC San Diego
http://hmi.ucsd.edu/howmuchinfo_research_report_consum.php
How Much Information?
How Much Information?
• Americans
Americans consume 34 gigabytes of consume 34 gigabytes of
information daily On an annual basis this works out to be:
On an annual basis, this works out to be:
• 3.6 zettabytes (1 zettabyte =10 21)
• 1.3 trillion hours • 10,845 trillion words ,
Bohn and Short, HMI? Consumer Report, December 2009
Let’s Do A Simple Calculation…
The Math:
Total hours per year = ∑media sources { number of media users × average hours per month x 12}
= 930.7 billion hours, or roughly 9 hours a day (partial sources)
The Data (multiple sources, partial list, 2008 data):
Number of people watching TV / TV devices:
Average number of hours per month watching TV:
Average number of hours per month watching DVD:
Number of people listening to network radio:
Average number of listening hours per month
Number of people listening to satellite radio:
Average number of listening hours per month
Number of people watching TV content on mobile devices
Number of people watching TV content on mobile devices
Average number of hours of use per month
Number of Computer Users with Access to Internet
Average monthly hours of computer use, all sources*
292 million
142 hours
5.5 hours
232.5 million
74 hours
19 million
60 hours
10 3 million
10.3 million
3.6 hours
228 million
70 hours
*Email, browsing, social networks Chat, IM, etc etc
Total Hours Per Month
Total Hours Per Year Total Estimated US “Digital Universe”
3
720 hours
8,760 hours
298 million
Bohn and Short, HMI? Consumer Report, December 2009
Any Surprises?
y
p
• Aggregate media growth rates modest
– Hours of info consumption growing 2.6% a year
H
fi f
ti
i 2 6%
– Bytes delivered growing 5.4% a year
• Computer gaming is huge
• Traditional media dominates overall
• Reading time is growing (it’s just on the screen)
Bohn and Short, HMI? Consumer Report, December 2009
SUMMARY: HOURS
The average American receives 11.8 hours of information a day
of information a day. Bohn and Short, HMI? Consumer Report, December 2009
SUMMARY: WORDS
SUMMARY
The average American consumes about 100,000 words a day Television dominates (45%) but
words a day. Television dominates (45%), but Computers are almost a third (30%). Bohn and Short, HMI? Consumer Report, December 2009
SUMMARY: BYTES
Only three sources contribute significantly: computer games (55%), television (35%) and movies (10%) Computer games are a big story ‐
(35%), and movies (10%). Computer games are a big story most of the bytes most of the bytes
come from graphically intensive games on high‐powered computers and consoles. Bohn and Short, HMI? Consumer Report, December 2009
National Coverage
International Coverage