This study aims to examine the role of domestic investment and labor force participation in supporting regional economic growth through changes in macro real output. An increase in macro real output serves as a key indicator of inclusive and sustainable regional economic development. However, local economies are frequently confronted with the challenge of optimizing capital resources and incorporating local labor into productive economic activities. Applying a quantitative descriptive approach, this research analyzes the effect of Domestic Direct Investment realization and Labor Force Participation Rate on the Real Gross Regional Domestic Product (Real GRDP) of Banten Province for the 2018-2025 period. Secondary time-series data sourced from the Central Statistics Agency (BPS) and the Ministry of Investment/BKPM were examined using multiple linear regression analysis. The partial results reveal that both Domestic Direct Investment and Labor Force Participation Rate exert a positive and statistically significant influence on Real GRDP. Similarly, their joint effect is also statistically significant. The study concludes that integrating domestic capital expansion with an active and productive workforce is essential for driving sustainable regional economic growth and strengthening the economic capacity of Banten Province.
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