“…As with the trends seen in Figure 2, the ASFR2 curve has become wider for the foreign population without it becoming a bimodal distribution (Figure 3b). However, immigrant fertility rates are distorted, as explained by Parrado (2011), Dubuc (2012, Robards and Berrington (2016), and Burkimsher, Rossier, and Wanner (unpublished). Sometimes the TFR1 exceeds unity -a logical impossibility in cohort terms as childlessness cannot be less than zero.…”