Answer
$ŷ =2104033x-3935950772$
Work Step by Step
In MINITAB, enter the Year values in C1 and in C2 enter the Population values.
Select Stats -> Regression -> Regression -> Fit Regression Model
Enter C2 in "Responses" and C1 in "Continuous Predictors"
The least-squares regression line ($ŷ =b_1x+b_0$) will be shown in "Regression Equation", where C2 is ŷ (Population) and C1 is x (Year)
$ŷ =2104033x-3935950772$