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Activity last week

Mnemonic reference (code): ACTLW

Type: Derived variable

Definition: This is an indicator of a person’s employment status in the week before census - whether it be employed, unemployed (i.e. available to start a job and seeking a job or available to start a job and actually waiting to start a job already obtained), or their status if not employed and not seeking employment.

Applicability: Person

Classification:

Accommodation type

Mnemonic reference (code): TYPACCOM

Type: Primary variable

Definition: The type of accommodation used or available for use by an individual household. Examples include the whole of a terraced house, or a flat in a purpose-built block of flats.

Applicability: Household

Classification:

Code

Baby boom

Baby booms are short-term increases in birth rates, and have been recorded following the two World Wars and during the late 1950s to early 1960s. The children born during these events are often termed ‘baby boomers’ and the impact on population figures when the baby boomers themselves have children has been termed the ‘Echo Effect’.
 

Age-specific fertility rates

The Age Specific Fertility Rate (ASFR) is the number of live births per 1,000 women of a specific age in a specified period. For example, the age-specific fertility rate for 25-29 year old women in 2010 is calculated by dividing the number of births in 2010 to women aged 25-29 by the estimated population of women of that age in that year.

Age

Age is derived from the date of birth question and is a person's age at their last birthday. Dates of birth that imply an age over 115 are treated as invalid and the person’s age is imputed. Infants less than one year old are classified as 0 years of age.
 

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