View the highest/lowest earning families in The United States

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

The last name Iwamasa is found most in Japan. It may occur as a variant:. Click here for further potential spellings of this last name.

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

The last name is the 356,968^th most frequently occurring last name in the world, borne by around 1 in 7,165,729 people. The last name Iwamasa occurs predominantly in Asia, where 82 percent of Iwamasa reside; 81 percent reside in East Asia and 81 percent reside in Nippono-Asia. It is also the 2,084,397^th most commonly held first name in the world, borne by 26 people.

The surname Iwamasa is most widespread in Japan, where it is borne by 828 people, or 1 in 154,401. In Japan Iwamasa is most prevalent in: Yamaguchi Prefecture, where 43 percent reside, Tokyo Metropolis, where 10 percent reside and Osaka Prefecture, where 10 percent reside. Excluding Japan this last name exists in 3 countries. It is also found in The United States, where 18 percent reside and Brazil, where 0 percent reside.

Iwamasa Last Name Statistics ^demography

In The United States those holding the Iwamasa last name are 12.22% more likely to be registered with the Democratic Party than the national average, with 65.45% being registered to vote for the party.

Iwamasa earn significantly more than the average income. In United States they earn 26.96% more than the national average, earning $54,784 USD per year.