Compara mètodes

	Refugee Camp Census	Migrant Stock Estimation
Camp	Migration Studies	Migration Studies
Família	Process / pipeline	Process / pipeline
Any d'origen	2003	1983
Autor original	United Nations High Commissioner for Refugees (UNHCR)	United Nations Population Division (standard measurement conventions)
Tipus	Registration-and-enumeration pipeline for displaced populations	Cross-source pipeline for counting the resident migrant population
Font seminal	United Nations High Commissioner for Refugees (2003). Handbook for Registration: Procedures and Standards for Registration, Population Data Management and Documentation. Geneva: UNHCR.	United Nations (1983). Manual on Methods of Estimating Internal Migration (Manual VI). Population Studies No. 47. New York: United Nations.
Àlies	Refugee Registration and Enumeration, Displacement Camp Census, Biometric Refugee Registration, UNHCR Population Data Management	Foreign-Born Stock Estimation, International Migrant Stock, Migrant Population Counting, Stock-Based Migration Measurement
Relacionats	3	3
Resum	A refugee camp census is the systematic registration and enumeration of displaced people in camps and other displacement settings, producing the verified population figures on which protection and assistance depend. UNHCR's 2003 Handbook for Registration codified the standards for this work, setting out how to list households, register individuals, manage population data, and issue documentation in emergencies and protracted situations alike. The exercise is far more than a headcount: it records who each person is, where they came from, their family relationships, and protection-relevant vulnerabilities, while increasingly using biometrics to prevent duplicate or fraudulent registration. The handbook frames registration in stages, distinguishing initial level-1 group or estimate data from detailed level-2 individual case records, so that a usable population figure can be produced quickly and then refined. Accurate figures determine food rations, shelter, water, and services, and underpin durable-solution planning, so errors translate directly into people going unserved or resources being misallocated. The method is thus a specialized census discipline adapted to chaotic, high-stakes, and rights-sensitive conditions.	Migrant stock estimation answers a deceptively basic question: how many migrants are living in a place at a given moment? Unlike migration flows, which count moves over an interval, a stock is a cross-sectional count of people whose origin differs from their place of residence — most commonly the foreign-born, but sometimes the foreign-national or those who have lived abroad. The United Nations measurement conventions, set out in its migration manuals, fix the core definitions (place of birth versus citizenship, duration thresholds, usual residence) and the at-risk concepts that make stocks comparable. In practice the analyst rarely has one clean source: censuses give place-of-birth tables but miss recent or irregular arrivals, population registers give continuous citizenship-based counts but vary in how they handle departures, and surveys give detail but suffer sampling error. Migrant stock estimation is therefore a pipeline that compiles these sources, harmonizes their differing definitions and geographies, and adjusts for undercount, overstay, and double counting, drawing on the same comparability concerns Bell and colleagues raised for internal migration. The output — a coherent count of migrants by origin, age, and sex — underpins integration policy, flow estimation, and the denominators of countless migration indicators.