Mean annual rate

Mean annual rate (MEAN annual rate)

Translation
Section	English 137	Arabic 137	Czech 137	German 137	Spanish 137	Finnish 137	French 137	Italien 137	[[pl-I:13#137\|Template:Lang name -pl 137]]	Portuguese 137	Russian 137
137-1	period of observation	فترة مشاهدة	pozorované období	Beobachtungsperiode —Beobachtungszeitraum	período de observación	havaintokausi —periodi havainto-	période d’observation	periodo di osservazione	okres obserwacji	PERÍODO de observação	Период наблюдения
137-2	annual rate	معدل السنوي	roční ukazatel	Jahresziffer	tasas anuales —coeficientes anuales	vuosiluku —vuosittainen luku	taux annuel	quoziente annuale —quoziente annuo	współczynniki roczne	TAXA anual	Годовые показатели
137-3	mean annual rate	معدل السنوي المتوسط	průměrný roční ukazatel	durchschnittliche Jahresziffer	tasa anual media	vuosikeskiarvo	taux moyen annuel —taux annuel moyen	quoziente medio annuale —quoziente medio annuo	współczynniki średnioroczne —roczne współczynniki średnie	TAXA média anual	Средний годовой показатель
137-4	converted to an annual basis	تحويل المعدلات إلى أساس السنة	převádět na roční	(auf 1) Jahr umrechnen	tasas referidas al año	muuntaa vuosiluvuksi	ramener à l’année	riportato a valori annuali —convertito in quoziente annuale	stosunek roczny	CONVERTIDAS para uma base anual	Показатели приведенные к одному году
137-5	instantaneous rate	معدلات اللحظة	okamžikový ukazatel	Augenblicksziffer —Grenzwertziffer —Intensität	tasa instantánea —coeficiente instantáneo	intensiteettiluku	taux instantané	quoziente istantaneo —tasso istantaneo	współczynnik chwilowy	TAXA instantânea	Моментные показатели

Demographic indices (136. 1) will in most cases relate to a particular period of observation¹; this is true in particular of most rates (133-4). An annual rate² will relate to a period of twelve months. Where observations are collected for a number of years and then averaged, the term mean annual rate³ is often used for the result. Where rates are calculated for periods different from a year they are often converted to an annual basis⁴ through multiplication by an appropriate factor. Instantaneous rates⁵ are sometimes computed; they relate to an infinitesimal period of time, cf. for instance the instantaneous death rate (432-4) or the instantaneous rate of population growth (701-1).
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