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

The last name Riras occurs in The Philippines more than any other country/territory. It can occur as a variant:. Click here for further potential spellings of this name.

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

This last name is the 8,968,613^th most frequently held family name throughout the world, borne by around 1 in 1,821,886,479 people. This last name occurs predominantly in Asia, where 50 percent of Riras reside; 50 percent reside in Southeast Asia and 50 percent reside in Fil-Southeast Asia.

It is most frequently occurring in The Philippines, where it is borne by 2 people, or 1 in 50,619,112. In The Philippines it is most numerous in: Calabarzon, where 50 percent are found and Davao Region, where 50 percent are found. Beside The Philippines Riras occurs in 2 countries. It also occurs in Belgium, where 25 percent are found and The United States, where 25 percent are found.

Riras Family Population Trend ^{historical fluctuation}

The frequency of Riras has changed over time. In The United States the number of people who held the Riras surname declined 50 percent between 1880 and 2014.