Sent_en: 2id Kim Dunstan, Statistics NZ demographer, said: "The dramatic lifespan changes were attributed to many factors, including improved hygiene, sanitation, medicines and infectious disease control.
Sent_yy: Kim Dunstan, ahli kependudukan Statistik Selandia Baru, mengatakan: "Perubahan umur dramatis disebabkan banyak faktor, termasuk peningkatan kebersihan, sanitasi, obat-obatan dan pengendalian penyakit menular."