Codes used in HLD

The following codes are currently used in HLD data files:

Field name in data file	Description (click to get full list of respective codes)
Country	Country / area codes
Region	Regions
Residence	Subpopulations
Ethnicity	Ethnicity
SocDem	Socio-demographic characteristics
RefCode	References
TypeLT	Used to indicate type of life table: 1 - recalculated complete life table 2 - abridged tables calculated from the recalculated complete table 4 - the abridged table recalculated from a published abridged table See the HLD Methods Protocol for details

Further details on the structure of HLD data files can be found in Data Formats.