Previously research on bonus demographic measurement is still only focused on one model, namely dependency ratio which coverage two methods namely Cheung et al and Adioetomo. This research was carried out in East Lombok Regency and consist of two models, namely dependency ratio model and economic lifetime model. Dependency ratio model which coverage four methods namely Cheung et al, Adioetomo, Komine & Kabe, and Golini. Meanwhile economic lifetime model which coverage two methods namely support ratio and ratio of lifecycle pension wealth to total labour income. The aimed of this research is to determine model and method of bonus demographic measurement. This research used descriptive quantitative method. Based on the data analysis the results obtained that model that developed for measurement of demographic bonus is only dependency ratio model, meanwihle economic lifetime model isn’t developed yet. Refer to the fourth method of dependency ratio model, three methods have been developed namely Cheung et al, Adioetomo, Komine and Kabe, meanwhile Golini hasn’t been developed yet. Based on Cheung et al method East Lombok Timur Regency has been achieved demographic bonus between 2035 and 2045, but based on Adioetomo method between 2020 and 2045 has not been achieved demographic bonus yet and based on Komine and Kabe method will be achieved demographic bonus between 2020 and 2045. Keywords: demographic bonus, dependency ratio, economic lifetime