Anyone seeking God in truth will find Him and be accepted by Him. The heathen of any land – even ours – will seek his Creator only if God has already moved in his heart to do so. If God is moving in that person’s heart, nothing will keep him from the content of the Gospel necessary to complete his work of faith.
However, this isn't the real issue for you and me. When each of us faces God, there will be no discussion about the heathen who never heard. Instead, the question will be: What about those who have heard? What about you and I? Did we bend the knee and ask Jesus to forgive us?
God does not condemn us for rejecting a Jesus of whom we've never heard. We are held accountable for our own moral crimes against God, and for rejecting the Father, whose voice is heard everywhere.1
Stand firm in Christ,
1. Koukl, Greg. Worshipping the Unknown God: The Heathen and Salvation. Clear Thinking. Vol. 1 No. 2. Page 14.