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 last name Koiwa is carried by more people in Japan than any other country or territory. It may appear as a variant:. Click here to see other potential spellings of this name.
How Common Is The Last Name Koiwa? popularity and diffusion
The surname is the 59,398th most commonly used surname on earth, borne by around 1 in 857,661 people. It is primarily found in Asia, where 98 percent of Koiwa are found; 98 percent are found in East Asia and 98 percent are found in Nippono-Asia. Koiwa is also the 821,896th most frequent given name at a global level. It is borne by 128 people.
The last name Koiwa is most numerous in Japan, where it is borne by 8,295 people, or 1 in 15,412. In Japan it is primarily found in: Iwate Prefecture, where 23 percent reside, Tokyo Metropolis, where 12 percent reside and Miyagi Prefecture, where 10 percent reside. Without taking into account Japan this surname occurs in 15 countries. It is also common in Papua New Guinea, where 2 percent reside and Brazil, where 0 percent reside.
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
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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