“…Thus, the aim of this study is to In spite of various fertility theories to support fertility variations due to different geographical settings [11], studies examining spatial heterogeneity of fertility in South Korea are scarce. Previous research has shown the regional differences of fertility in South Korea on the basis of the underlying assumption of demographic transition theory [2,12,13], reaching the overriding conclusion that fertility levels were significantly lower in urban areas than rural areas [10,14,15]. While urban-rural analysis shed considerable light on geographical variations in fertility behavior in South Korea, the traditional urban-rural dichotomy is criticized as geographically crude [16].…”