Figure 2. Profile plot of TFR for the six geopolitical zones observed over three periods (1=North-Central, 2=North-East, 3=North-West, 4=South-West, 5=South-South, 6=South-West)

From

Fertility Level, Trend and Differentials in Nigeria: A Multivariate Analysis Approach

Chijioke J. Nweke, George C. Mbaeyi, Kelechi C. Ojide, Chukwunenye I. Okonkwo

American Journal of Applied Mathematics and Statistics. 2019, 7(6), 231-236 doi:10.12691/ajams-7-6-5