Indonesia as a developing country needs to maintain the stability of its economic growth. The price level is one of the stability factors in economic growth. The purpose of this study was to determine the effect of the Consumer Price Index on inflation in Indonesia during the pandemic. This study uses a simple linear regression analysis technique. The data used are Consumer Price Index (CPI) data and inflation data for 2016-2020 obtained from Statistics Indonesia. The results showed that the CPI had no significant effect on inflation in Indonesia. The value of R Square which shows the magnitude of the influence between CPI and inflation is 2.3%, the remaining 97.7% is influenced by other variables that are not included in this research model. The significance of the regression value can be seen from the results of t-count. The t-count value is 1.18 > 0.05. In addition, the P-value of the CPI is 0.24 > 0.05. So the researcher concludes that the CPI has a negative and insignificant effect on inflation in Indonesia.

Keywords : Consumer Price Index, Inflation, Simple Linear Regression.