Where Does The Last Name Koien Come From? ^{nationality or country of origin}

The surname Koien occurs more in Papua New Guinea more than any other country or territory. It can also be rendered as:. For other potential spellings of this last name click here.

How Common Is The Last Name Koien? ^{popularity and diffusion}

This surname is the 5,391,485^th most widely held family name on a worldwide basis, borne by around 1 in 560,580,455 people. The last name Koien is primarily found in Oceania, where 54 percent of Koien are found; 54 percent are found in Oceania Islands and 54 percent are found in Papuan Oceania.

The surname Koien is most frequently occurring in Papua New Guinea, where it is borne by 7 people, or 1 in 1,164,817. In Papua New Guinea Koien is mostly concentrated in: East Sepik, where 71 percent reside, Bougainville, where 14 percent reside and Western Highlands, where 14 percent reside. Not including Papua New Guinea it exists in 3 countries. It is also common in Norway, where 31 percent reside and Iran, where 8 percent reside.