Koiwa Surname
Approximately 8,497 people bear this surname
Koiwa Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Japan | 8,295 | 1:15,412 | 1,890 |
| Papua New Guinea | 144 | 1:56,623 | 7,213 |
| Brazil | 17 | 1:12,592,608 | 246,358 |
| United States | 15 | 1:24,163,929 | 685,360 |
| Thailand | 13 | 1:5,433,719 | 375,884 |
| Liberia | 2 | 1:2,204,268 | 40,131 |
| Malaysia | 2 | 1:14,747,112 | 316,340 |
| Ireland | 1 | 1:4,708,939 | 29,543 |
| Cameroon | 1 | 1:20,769,068 | 227,406 |
| Canada | 1 | 1:36,845,591 | 464,108 |
| England | 1 | 1:55,718,059 | 489,080 |
| Germany | 1 | 1:80,505,459 | 560,955 |
| Nepal | 1 | 1:28,480,956 | 22,413 |
| Niger | 1 | 1:19,192,017 | 110,060 |
| Philippines | 1 | 1:101,238,223 | 404,861 |
| Sierra Leone | 1 | 1:7,089,631 | 1,533 |
Koiwa (128) may also be a first name.
Koiwa Demographics
Average Koiwa Salary in
United States
$29,735 USD
Per year
Average Salary in
United States
$43,149 USD
Per year
View the highest/lowest earning families in The United States
Koiwa Last Name Facts
Where Does The Last Name Koiwa Come From? nationality or country of origin
The surname Koiwa is carried by more people in Japan than any other country or territory. It may be rendered as a variant:. For other potential spellings of this surname click here.
How Common Is The Last Name Koiwa? popularity and diffusion
This last name is the 59,398th most widely held family name on a worldwide basis, borne by approximately 1 in 857,661 people. The surname occurs predominantly in Asia, where 98 percent of Koiwa are found; 98 percent are found in East Asia and 98 percent are found in Nippono-Asia. It is also the 821,896th most frequently occurring first name worldwide, borne by 128 people.
This surname is most frequent in Japan, where it is carried by 8,295 people, or 1 in 15,412. In Japan it is mostly found in: Iwate Prefecture, where 23 percent live, Tokyo Metropolis, where 12 percent live and Miyagi Prefecture, where 10 percent live. Not including Japan this last name is found in 15 countries. It is also common in Papua New Guinea, where 2 percent live and Brazil, where 0 percent live.
Koiwa Last Name Statistics demography
Koiwa earn significantly less than the average income. In United States they earn 31.09% less than the national average, earning $29,735 USD per year.
Phonetically Similar Names
Search for Another Surname
The name statistics are still in development, sign up for information on more maps and data
Footnotes
- Surnames are taken as the first part of an person's inherited family name, caste, clan name or in some cases patronymic
- Name distribution statistics are generated from a global database of over 4 billion people - more information
- Heatmap: Dark red means there is a higher occurrence of the name, transitioning to light yellow signifies a progressively lower occurrence. Clicking on selected countries will show mapping at a regional level
- Rank: Name are ranked by incidence using the ordinal ranking method; the name that occurs the most is assigned a rank of 1; name that occur less frequently receive an incremented rank; if two or more name occur the same number of times they are assigned the same rank and successive rank is incremented by the total preceeding names
- Ethnic group cannot necessarily be determined by geographic occurrence
- Similar: Names listed in the "Similar" section are phonetically similar and may not have any relation to Koiwa
- To find out more about this surname's family history, lookup records on FamilySearch, MyHeritage, FindMyPast and Ancestry. Further information may be obtained by DNA analysis