9 years old and 29 teenagers or 11.6% are between 10 and 19. Of the adult population, 33 people or 13.2% of the population are between 20 and 29 years old. 43 people or 17.2% are between 30 and 39, 38 people or 15.2% are between 40 and 49, and 22 people or 8.8% are between 50 and 59. The senior population distribution is 29 people or 11.6% of the population are between 60 and 69 years old, 18 people or 7.2% are between 70 and 79, there are 6 people or 2.4% who are between 80 and 89. In the 2007 federal election the most popular party was the CVP which received 57% of the vote. The next three most popular parties were the SP (19.9%), the SVP (18.2%) and the FDP (4.9%). In Suraua about 54.5% of the population (between age 25 and 64) have completed either non-mandatory upper secondary education or additional higher education (either university or a Fachhochschule). Suraua has an unemployment rate of 0.79%. , there were 76 people employed in the primary economic sector and about 21 businesses involved in this sector. 11 people are employed in the secondary sector and there are 6 businesses in this sector. 11 people are employed in the tertiary sector, with 5 businesses in this sector. The historical population is given in the following table: No data given in reference Including St. Martin Without St. Martin Without Uors, since 1961 merged into Uors-Peiden Heritage sites of national significance The Church of S. Luregn/St. Lorenz is listed as a Swiss heritage site of national significance. The tower dates to the 12th century, and is first mentioned in 1253 as the property of the Freiherr von Überkastel. At that time it was the castle of the Überkastel family. When the family died out in the 15th century the tower was used as a church tower for the Church of S. Luregn/St. Lorenz. Records of the church have been found from 1345, 1515 and 1520. The gothic church was consecrated in 1520. In 1774 it was rebuilt in a baroque style which remains today. During the restoration, a valuable madonna statue was discovered, which is now in the museum at Disentis Abbey. References External links http://www.suraua.ch Lumnezia Former municipalities of Graubünden Cultural property of national significance in Graubünden