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132 Monthly Lab. Rev. 3 (2009)
International Comparisons of Hours Worked: An Assessment of the Statistics

handle is hein.journals/month132 and id is 470 raw text is: International comparisons of hours
worked: an assessment of the statistics
A study of 13 countries reveals that measures of hours worked
based on administrative sources are relatively low while measures
based on establishment and labor force surveys are relatively high;
thus, although ever improving, these measures cannot yet be taken
at face value and are useful onlyjbr broad comparisons

ublic commentators, the press, and
governments are interested in the
hours people work. Work hours un-
derpin productivityr measures. The number
of hours individuals work stimulates debate
on the quality of life in an international
context: do some societies live to work
while others work to live? The differences
in hours worked between countries fuels dis-
cussion of economic growth, employment,
and unemployment. Any comparative meas-
ure between countries, however, depends on
a standardization of concepts, sources, and
methods. Measuring and comparing how
many hours people spend at work across
countries is not an exact science, despite
recent improvements in methodology and
data coverage.
The recommendation from the Inter-
national Labor Organization (ILO) is to
use actual hours worked, including annual
hours actually worked, as the basis for in-
ternational comparisons. The recommen-
dation to include annual hours actually
worked was part of an updated ILO resolu-
tion regarding the measurement of working
time that was adopted at the International
Conference of Labor Statisticians held in
the fall of 2008. Background research on
working time and hours worked carried out
by international statistical organizations

and national statistical agencies to prepare for
the conterence has contributed to a rich debate
on hours worked.
This article benefits from the recent exchange
of ideas leading up to the 2008 Conference and
looks at two data sets on hours worked. The
better known of the two is the Organization
for Economic Cooperation and Development
(OECD) data set on average annual hours ac-
tually worked, for all employed persons, for 30
countries, published in the annual OECD Em-
ployment Outlook.' The second data set is the
Bureau of Labor Statistics (BLS) underlying
hours and employment data in the annual re-
port, Gross Domestic Product per Employed
Person, which presents an international com-
parison of gross domestic product (GDP) per
hour worked for 13 countries. The OECD data
set provides an explicit measure of average an-
nual hours worked, while the BLS data set pub-
lishes total employment and hours, from which
a series for average annual hours worked can be
derived. Both hours-worked data series comple-
ment output and productivity data published by
the respective organizations.
Whereas data users tend to look at the
number of average hours worked per year
when making comparisons between countries,
both BLS and OECD caution that such com-
parisons are prone to error and that the data
series best describe changes over time. This
Monthly Labor Review - May 2009 3

Susan E. Fleck
Susan E. Fleck is Chief, Divi-
sion of Major Sector Produc-
tivity, Office of Productivity
and Technology, Bureau of
Labor Statistics. This article
was prepared when she was
a supervisor in the Division
of International Labor Com-
parisons. E-mail: fleck.susan@
bls.gov

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