View the most partisan surnames in The United States

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

The last name Riou is more commonly found in France than any other country or territory. It can be rendered in the variant forms:. Click here to see other possible spellings of this last name.

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

The last name is the 28,688^th most numerous last name worldwide. It is borne by approximately 1 in 389,209 people. The last name Riou occurs predominantly in Europe, where 93 percent of Riou are found; 92 percent are found in Western Europe and 92 percent are found in Gallo-Europe. It is also the 1,191,548^th most commonly held forename on earth, borne by 67 people.

The last name Riou is most widely held in France, where it is carried by 17,251 people, or 1 in 3,850. In France Riou is most numerous in: Brittany, where 37 percent are found, Île-de-France, where 17 percent are found and Auvergne-Rhône-Alpes, where 13 percent are found. Other than France Riou exists in 58 countries. It is also found in Canada, where 2 percent are found and Algeria, where 2 percent are found.

Riou Family Population Trend ^{historical fluctuation}

The incidence of Riou has changed over time. In The United States the number of people bearing the Riou last name grew 2,860 percent between 1880 and 2014 and in England it grew 7,400 percent between 1881 and 2014.

Riou Last Name Statistics ^demography

In The United States Riou are 13.44% more likely to be registered with the Democratic Party than the national average, with 66.67% being registered to vote for the party.

The amount Riou earn in different countries varies somewhat. In United States they earn 13.3% less than the national average, earning $37,409 USD per year and in Canada they earn 7.2% less than the national average, earning $46,108 CAD per year.