World Bank Document

Data are mainly derived from the World Fertility 1982 Assessment, 1985, supplemented by data from
Survey, the Contraceptive Prevalence Survey, the the World Bank, the US Bureau of Census, and
World Bank, and the UN report: Recent Levels and from various issues of the UN Demographic Year-
Trends of Contraceptive Use as Assessed in 1983. For a book.
few countries for which no survey data are avail- The growth rates of urban population were calcuable,
program statistics are used; these include lated from the World Bank's population estimates;
India, Bangladesh, Indonesia, and several African the estimates of urban population shares were calcountries.
Program statistics may understate con- culated from the sources cited above. Data on
traceptive prevalence because they do not measure urban agglomeration are from the UN Patterns of
use of methods such as rhythm, withdrawal, or Urban and Rural Population Growth, 1980.
abstinence, or of contraceptives not obtained Because the estimates in this table are based on
through the official family planning program. The different national definitions of what is "urban,"
data refer to a variety of years, generally not more cross-country comparisons should be interpreted
than two years distant from those specified.
with caution.
All summary measures are weighted by popula- The summary measures for urban population as
tion.
a percentage of total population are weighted by
population; the other summary measures in this
Table 21. Labor force
table are weighted by urban population.
The population of working age refers to the population
aged 15-64. The estimates are based on the Table 23. Indicators related to life expectancy
population estimates of the World Bank for 1983
and previous years. The summary measures are Life expectancy at birth is defined in the note for
weighted by population. Table 1.
The laborforce comprises economically active per- The infant mortality rate is the number of infants
sons aged 10 years and over, including the armed who die before reaching one year of age, per thouforces
and the unemployed, but excluding house- sand live births in a given year. The data are from a
wives, students, and other economically inactive variety of sources-including issues of UN Demogroups.
Agriculture, industry, and services are graphic Yearbook, and Population and Vital Statistics
defined in the same manner as in Table 2. The esti- Report, and UN "Infant Mortality: World Estimates
mates of the sectoral distribution of the labor force and Projections, 1950-2025" Population Bulletin of
are from International Labour Organisation (ILO), the United Nations (1983), and from the World
Labour Force Estimates and Projections, 1950-2000, Bank.
and from the World Bank. The summary measures The child death rate is the number of deaths of
are weighted by labor force.
children aged 1-4 per thousand children in the
The labor force growth rates were derived from the same age group in a given year. Estimates were
Bank's population projections and from ILO data based on the data on infant mortality and on the
on age-specific activity rates in the source cited relation between the infant mortality rate and the
above. The summary measures for 1965-73 and child death rate implicit in the appropriate Coale-
1973-83 are weighted by labor force in 1973; those Demeny Model life tables; see Ansley J. Coale and
for 1980-2000, by the labor force in 1980.
Paul Demeny, Regional Model Life Tables and Stable
The application of ILO activity rates to the Populations (Princeton, N.J.: Princeton University
Bank's latest population estimates may be inap- Press, 1966).
propriate for some economies in which there have The summary measures in this table are
been important changes in unemployment and weighted by population.
underemployment, in international and internal
migration, or in both. The labor force projections
for 1980-2000 should thus be treated with caution. Table 24. Health-related indicators
Table 22. Urbanization
The estimates of population per physician and nursing
person were derived from World Health Organiza-
The data on urban population as a percentage of total tion (WHO) data, some of which have been
population are from the UN Estimates and Projections revised to reflect new information. They also take
of Urban, Rural and City Populations 1950-2025: The into account revised estimates of population.
239