Does A Spatial Influence on Fertility Rates of Ethnic Groups in Indonesia? A Spatial Analysis Using National Data

Fertility rates in Indonesia have continued to decline over the past 50 years, but disparities in each region still occur. Since regional autonomy was implemented, policies have not been centralized, resulting in population control policies varying in each region. The purpose of this study is to analyze the influence of regions on fertility rates in ethnic groups in Indonesia. This study uses long-form data from the 2020 Population Census (PC) which was conducted in 2022 with a level of representation in districts/cities. Statistical analysis using the Moran Index and LISA Statistical Test using Geoda Software to determine the influence of regions on fertility measures based on ethnic groups. The results of the spatial analysis show that there is a regional or spatial influence on fertility based on ethnic groups in Indonesia. The evidence of the fertility measure is based on the largest ethnic group in Indonesia spatially, the influence of regions and culture in a region can be used as a consideration in determining policies and programs in providing interventions and planning in the future to control fertility rates in Indonesia.