North Sumatra Province is one of the provinces with the largest population in Indonesia. The population of North Sumatra works in three sectors, namely the primary, secondary, and tertiary sectors. The population of North Sumatra generally works in the primary and secondary sectors. This study aims to analyze the impact of the labor market, regional minimum wage, investment on economic growth in the tertiary sector in the province of North Sumatra. Structural equation model, using Time Series data with a period from 1997-2020. Using the 2SLS (Two-Stage Least Squares) method, and data processing using the SAS/ETS version 9.12 computer program. The policy simulation used was an increase in regional minimum wages, interest rates, workers' undergraduate education, and combined policies. The results obtained are as follows (1) the labor force is influenced by the level of the Regional Minimum Wage, the number of residents, the level of education working, the total absorption of labor, and the labor force last year. The productive population is very responsive to influencing the workforce, (2) employment in the tertiary sector is influenced by the wage level of each tertiary sub-sector, Gross Regional Domestic Product, time trends, and last year's labor absorption rate. Gross Regional Domestic Product Sub-sector Responsive trade in the long term to employment (4) regional minimum wages are influenced by the labor force, total employment in the tertiary sector, gross regional domestic product in the tertiary sector, and last year's regional minimum wage. Last year's regional minimum wage was very responsive to affecting regional minimum wages, (5) Tertiary sector investment was influenced by interest rates, North Sumatra regional minimum wages, working undergraduate education graduates, the gross regional domestic product of the tertiary sector, and last year's tertiary sector investment, ( 6) If the North Sumatra Regional Government wants to take a policy in 2021-2026, by increasing the regional minimum wage by 20%, it will have implications for a decrease in the labor force, employment, gross regional domestic product and reduce unemployment, on the contrary, increasing wages. regional minimum and investment