There is no specific study conducted on the mathematical modeling of the cash-cost and country-benefit fit on the mine and country variations of gold mining worldwide to enable justification of country regimes as well as the selection of investment targets. The main aim of this study was therefore to develop mathematical models of cash-cost and country-benefit fit on the mine and country variations of gold mining worldwide to enable justification of country regimes as well as selection of investment targets. Multiple linear regression analysis using SPSS was used to generate the two models,...