From: Pattern and trends of the total and age-specific fertility rates during 1990–2018 in Pakistan
Surveys
α
\(\beta\)
PDHS 1990–91
-0.082
1.030
PDHS 2006–07
-0.120
1.153
PDHS 2012–13
-0.111
1.195
PDHS 2017–18
-0.089
1.155