age composition
age distribution

These local imbalances in age composition raise important policy issues.

The data is weighted to reflect the gender and age composition of the American population.

According to the same survey, the age composition was as follows:

Natural processes dictate the age composition at any time.

Age Composition The average age is 25 years.

The population's age composition is similar to the age structure prevalent in the EU.

The age composition was the following:

Her gentle choreographic streams went their way to taped accompaniments that ranged from Chinese folk music to New Age compositions.

The branch gathers data on abundance, distribution, feeding ecology, size and age composition of stocks of economically and ecologically important species.

Unlike most populations of juniper in Britain, in which regeneration is, at best, sparse, this community is freely-regenerating and has a diverse age composition.

Professor Koss alleges that the reported decline in rape does not take into account age composition decreases in the population most at risk: 16- to 24-year-old females.

In the 16th century, when Jean Bodin presented the arguments in favor of census taking, the age composition of the population was not among his main concerns.

His compositions can be found in his AOR rock classics, in jazz and new age compositions, and in remakes and samples of his work.

The age composition of the mining group was significantly older than that of the general population group, since the source of the coal miners was a group of retired men.

Population dynamics is the branch of life sciences that studies short-term and long-term changes in the size and age composition of populations, and the biological and environmental processes influencing those changes.

The greater the number and size of the samples, the greater the confidence that the information obtained accurately reflects the status (such as abundance by number or weight, or age composition) of the stock.

Part of this has come from an influx of retired people, and it has therefore accentuated the already very unbalanced age composition of the population resulting from the emigration of the younger people.

Most nights before dinner, I curled on a leather sofa at the Wheelock Bar to hear John de Haas, a cabaret pianist, play his own intriguing New Age compositions, as well as show tunes.

CELESTIAL SOUNDS "Astromusic" is the name Gerald Jay Markoe has given his New Age compositions and the label under which he has recorded cassettes and compact disks.

It is necessary to consider family size, the age composition of the family, the number of first and second children, net migration (immigration minus emigration), non-family household formation, the number of double family households, death rates, divorce rates, and marriages.

Demographic change in Hungary is characterised by an ageing, falling population while the number of people of Romani origin is rising and the age composition of the Romani population is much younger than that of the overall population.

For example, many wildlife species such as the Wild turkey depend upon variegation of tree ages and sizes for its optimal sub-canopy flight; forests that have been managed for even aged composition fail to achieve abundance values of the Wild turkey and many other organisms.

For the first time since 1987, when Nielsen Media Research began measuring the age composition of audiences on a daily basis, CBS is expected to win the sweeps competition in every important ratings category: total viewers, viewers between the ages of 25 and 54, even viewers between the ages of 18 and 49.

Making comparisons of crude death rates across time or between populations is problematic as the rate is obviously influenced by the age composition of populations: a population with a large component of older people will illustrate a higher crude death rate than a population of the same size including a lot of younger people.

Changes in the age distribution of the population can influence the crime rate.

Moreover, the age distribution of population was quite unlike today's.

Also significant in the 1984 census figures was the national age distribution.

This did not notably affect the age distribution of either group.

The age distribution based on the 2011 census was as follows.

Age distributions for the four cities are given (see table below).

Having an age distribution would help, but would lead to a big data set.

Even more than other industrial countries, America has seen a shift in the age distribution of poverty.

In the city the age distribution of the population shows:

The table below gives an overview of the changing age distribution during the past 75 years.

That was a typical age distribution, but one unsuitable for defense.

As well, the selection process controlled for the age distribution of the province.

It focuses on the potential mothers only, and takes the age distribution into account.

The age distribution of a work force is always an interesting and important source of information.

The average residence time is given by the first moment of the age distribution:

The following shows the age distribution from the 31 December 2005 (principal residences).

Also included in their study was the nature of the population, its size, age distribution, ethnic and linguistic makeup.

The age distribution in a decade or so will be such that we risk serious generational conflicts.

Walker concludes that the age distribution reflects the low life expectancy at the time.

Age distributions may also be skewed by migrations of adults.

I wonder what the age distribution is for people using Chatroulette?

One can also define an internal age distribution that describes the reactor contents.

The age distribution of the whole catch can then be estimated by expanding the sub-sample.

The most important is that demographic analysis should not be used to make short-term forecasts, because the age distribution of the population changes very slowly.