Statistical Terms Glossary

The length of (railway) line used for traffic throughout the reported year (including lines operated jointly with other railway enterprises) plus the average length of lines opened or closed during the year (weighted by the number of days they have been operated).

Average length of stay is computed by dividing the number of days stayed (from the date of admission in an in-patient institution) by the number of discharges (including deaths) during the year.

The average number of persons per room is obtained by dividing the total population in occupied housing units by the total number of rooms as reported by countries. If the total number of occupants, i.e., total population occupying housing units, is not available, the total population figure is used in the numerator.

Average number of rooms per household. A room is defined as a space in a housing unit enclosed by walls reaching from the floor to the ceiling or roof covering, or to a height of at least 2 metres, of an area large enough to hold a bed for an adult, that is, at least 4 square metres.

Percentage of persons World Health Organization [WHO] went to the theatre (e.g. theatre, cabaret, opera, puppets shows, tale telling) or to a dance show (e.g. ballet, contemporary dance, traditional dance) in the last 12 months.

Long-term average (over space and time) of annual endogenous precipitation (produced in the country) in depth.

Long-term average (over space and time) of annual endogenous precipitation (produced in the country) in volume.

The rate of any demographic event for the whole population.

A calculation often used to determine the overall value of an application. It is also used to rate particular customers, especially in the wireless space, by comparing someone's account to the overall average.

Equals to number od seats and beds divided by the number of vehicles

Average tariffs are the simple average of all applied ad valorem tariffs (tariffs based on the value of the import) applicable to the bilateral imports of developed countries. Agricultural products comprise plant and animal products, including tree crops but excluding timber and fish products. Clothing and textiles include natural and synthetic fibbers and fabrics and articles of clothing made from them.

A test that requires the PPP for an aggregate to lie between the smallest and the largest of its component PPPs.

A test that requires the per capita volume index for an aggregate to lie between the smallest and the largest of its component per capita volume indices.

Wage or salary rates are the rates paid for nominal time of work, comprising basic wages and salaries, cost-of-living allowances and other guaranteed and regularly paid allowances.

An adult full-time worker in the private sector whose wage earnings are equal to the average wage earnings of such workers. This definition includes manual and non-manual workers, supervisory workers as well as managerial workers. The private sector is defined as Sectors B-N inclusive (ISIC Revision 4) or previously as Sectors C-K inclusive (ISIC Revision 3), with reference to the International Standard Industrial Classification of All Economic Activities.

The practice of investing a fixed amount of money in a particular security, regardless of price. When the market price is high, the investor receives proportionally less stock and vice versa.

Avian influenza is an infectious disease of birds caused by type A strains of the influenza virus. The disease, which was first identified in Italy more than 100 years ago, occurs worldwide. The quarantining of infected farms and destruction of infected or potentially exposed flocks are standard control measures.

All aircrafts registered in a country at a given date.

Aviation gasoline is motor spirit prepared especially for aviation piston engines, with an octane number suited to the engine, a freezing point of –60 degrees C, and a distillation range usually within the limits of 30 degrees C and 180 degrees C.

The fact to prevent the degradation before it happens.

Are actual or imputed costs for preventing environmental deterioration by alternative production and consumption processes, or by the reduction of or abstention from economic activities.

Awareness-raising is a fundamental component of primary prevention strategies aiming at: changing attitudes, behaviours and beliefs that normalise and tolerate domestic violence among general public; preventing men and women from becoming victims or perpetrators of abusive relationships; and informing wider public and especially victims and perpetrators about the resources available to tackle the problem.

An approach to CPIs in which consumption is identified with the consumption goods and services acquired by a household in some period (as distinct from those wholly or partially used up for purposes of consumption). Depending on the intended scope of the CPI, acquisitions may include
not only goods and services purchased, but also those acquired by own-account production or as social transfers in kind from government or non-profit institutions.

Loan made by the World Bank involving cofmancing.

A bond sold in denominations of less than $1000.

A dramatic increase in fertility rates and in the absolute number of births following World War II (1947-1961).

It is the period that came immediately in the wake of the baby boom period and is characterized by a rapid decline in fertility rates to record-low levels.

That part of the water used for agricultural, domestic or industrial purposes which is returned to rivers or aquifers after use.