A census in Peru is an enumeration of the Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

vian population made by the Peru government.
The full name of a census in Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 is like X Censo de Población y V de Vivienda in which X en V are Roman numerals

Roman numerals

The numeral system of ancient Rome, or Roman numerals, uses combinations of letters from the Latin alphabet to signify values. The numbers 1 to 10 can be expressed in Roman numerals as:...

 for the tenth population census and fifth household census respectively. The first five times the census was made, only population data was included. From the sixth census onwards, also household data is included.

Tha latest censuses were made in 2005

Peru 2005 Census

#The Peru 2005 Census was a detailed enumeration of the Peruvian population. It was conducted by the Instituto Nacional de Estadística e Informática from July 18 through August 20, 2005. Its full name in Spanish is X Censo de Población y V de Vivienda . The previous census performed in Peru was the...

 and August 2007

Peru 2007 Census

The Peru 2007 Census was a detailed enumeration of the Peruvian population. It was conducted by the Instituto Nacional de Estadística e Informática on Sunday October 21, 2007. Its full name in Spanish is XI Censo de Población y VI de Vivienda . The previous census performed in Peru was the 2005...

.

It is prescribed by law (Law Nº 13248) that every ten years a population and household census has to be executed
.

Chronology

The following table shows the dates the censuses were made and the total population number for Peru at those dates.

№	Date	Population	Change since previous census
1	1836	1,873,736	n.a.
2	1850	2,001,203	127,467
3	1862	2,487,916	486,713
4	1876	2,699,105	211,189
5	1940	7,023,111	4,324,006
6	1961	10,420,357	3,397,246
7	1973	14,121,564	3,701,207
8	1981	17,762,231	3,640,667
9	1993 Peru 1993 Census The Peru 1993 Census was a detailed enumeration of the Peruvian population made on July 11, 1993 by the Instituto Nacional de Estadística e Informática...	22,639,443	4,877,212
10	2005 Peru 2005 Census #The Peru 2005 Census was a detailed enumeration of the Peruvian population. It was conducted by the Instituto Nacional de Estadística e Informática from July 18 through August 20, 2005. Its full name in Spanish is X Censo de Población y V de Vivienda . The previous census performed in Peru was the...	26,152,265	3,512,822
11	2007 Peru 2007 Census The Peru 2007 Census was a detailed enumeration of the Peruvian population. It was conducted by the Instituto Nacional de Estadística e Informática on Sunday October 21, 2007. Its full name in Spanish is XI Censo de Población y VI de Vivienda . The previous census performed in Peru was the 2005...	28,220,764	2,068,499