Scaling Relationship of Five Safety Indexes vs. Population Size for 42 to 49 Global Cities

This research examines the existence of urban safety advantage versus penalty among 49 to 42 large cities. Each city is scored across four main categories of safety: digital security, health security, infrastructure safety, and personal safety for the year of 2015. Total group of cities is divided into three subgroups of cities with different population size. Multivariate cross sectional regression of five safety indexes as function of population size has generated positive population coefficients indicating that urban safety advantage dose exist. The scale advantage becomes very pronounced as the analysis moves from the total group to the subgroup of top 6 and 18 most populated cities. Implications from these findings will be discussed.