The article estimates the macroeconomic and microeconomic consequences of migration from Africa to Spain, as well as its impact on the labor market. It includes data on the impact of migration on GDP growth, inflation, wages, and employment of the indigenous population. It concludes that immigration has a positive impact on the using of resources and an overall increasing the economic efficiency. In particular, in Spain, immigration contributes to correcting imbalance in the labor market and the normal operation of production, especially in low-efficiency sectors of the economy.