Dataset used by the UN for coding time. It is an TAB-separated ASCII file called UN_time.txt.
Usage
data(UN_time)
Arguments
Rdversion
1.1
docType
data
source
Data provided by the United Nations Population Division
Details
For 5-year period data, fertility rates are defined from 1 July of year (t) to 1 July of year (t+5), with 1 January of year (t+3) as exact mid-date. This means for example that data for 2000-2005, refer to the period between 2000.5 and 2005.5, with 2003.0 as exact mid-point.