View the most partisan surnames in The United States

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

The surname Iahn occurs more in Brazil more than any other country or territory. It may also be found as a variant:. Click here to see other potential spellings of Iahn.

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

The last name Iahn is the 727,600^th most numerous surname worldwide, borne by approximately 1 in 18,264,526 people. It is primarily found in The Americas, where 96 percent of Iahn reside; 78 percent reside in South America and 55 percent reside in Luso-South America. It is also the 1,775,424^th most prevalent first name at a global level, borne by 34 people.

The last name Iahn is most frequently used in Brazil, where it is carried by 220 people, or 1 in 973,065. In Brazil Iahn is most numerous in: Santa Catarina, where 45 percent live, Mato Grosso do Sul, where 21 percent live and Rio Grande do Sul, where 11 percent live. Other than Brazil it is found in 7 countries. It is also found in Argentina, where 23 percent live and The United States, where 18 percent live.

Iahn Family Population Trend ^{historical fluctuation}

The prevalency of Iahn has changed over time. In The United States the share of the population with the surname rose 700 percent between 1880 and 2014.

Iahn Last Name Statistics ^demography

In The United States Iahn are 15.19% more likely to be registered with the Democratic Party than The US average, with 68.42% registered with the party.

Iahn earn somewhat less than the average income. In United States they earn 10.14% less than the national average, earning $38,775 USD per year.