The changing face of hong kong s population population data system in a metropolitan city
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The Changing Face of Hong Kong’s Population Population Data System in a Metropolitan City. Dominic KT Leung Census and Statistics Department Hong Kong Special Administrative Region, China. What is HK Population? (Cont’d). HK people becoming highly mobile

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The changing face of hong kong s population population data system in a metropolitan city

The Changing Face ofHong Kong’s PopulationPopulation Data Systemin a Metropolitan City

Dominic KT Leung

Census and Statistics DepartmentHong Kong Special Administrative Region, China


What is hk population cont d
What is HK Population? (Cont’d)

  • HK people becoming highly mobile

  • An average of 13 million passenger trips per month

  • A dynamic population data system is therefore required


Concepts of hong kong resident population hkrp
Concepts of Hong Kong Resident Population (HKRP)

  • Adopted since August 2000 to address changes in mobility and residency patterns of HK people

  • HKRP comprising

    • Usual residents

    • Mobile residents


Concepts of hkrp cont d
Concepts of HKRP (Cont’d)

  • Usual residents

    • HK Permanent Residents who spend on the average three months or more in the six month periods before or after the reference time point; and

    • HK Non-Permanent Residents who are found in Hong Kong at the reference time point


Concepts of hkrp cont d1
Concepts of HKRP (Cont’d)

  • Mobile residents

    • HK Permanent Residents who spend on the average between one to less than three months in the six month periods before or after the reference time point


Benefits of hkrp concepts
Benefits of HKRP Concepts

  • Mainly reflecting the de jure population

  • Also including a group of persons with a somewhat strong linkage to Hong Kong


A framework of population data system
A framework of population data system

  • Population Census / By-census

  • Intercensal population estimates

  • Administrative data

  • Household surveys


Population data system in hk
Population Data System in HK

  • POPULATIONCENSUS / BY-CENSUSRESULTS

  • Benchmark data on population socio- economic characteristics

  • Statistics for small geographical areas and population sub-groups

Data Sources

  • POPULATIONCENSUS / BY-CENSUSDATA

  • Population Census – a complete headcount of the population conducted every 10 years since 1961

  • Population By-census – a large sample, detailed enquiry between 2 censuses

Statistical Outputs

  • POPULATIONPROJECTIONS

  • Population projections – updated at intervals of 2 to 3 years

  • ADMINISTRATIVEDATA

  • Anonymous individual data / aggregate statistics from administrative systems

  • e.g. birth, death, passenger movement records, departure / arrival statistics

  • POPULATIONESTIMATES

  • Half-yearly population estimates – based on data from census / by-census and administrative systems

  • HOUSEHOLDSURVEY RESULTS

  • Up-to-date statistics on population socio- economic characteristics between censuses

  • Statistics on current social topics

  • VITAL EVENTSSTATISTICS

  • Statistics on demographic trends

  • HOUSEHOLDSURVEY DATA

  • Continuous household surveys plus ad hoc surveys

  • e.g. General Household Survey and Thematic Household Survey


Alternative concepts of population
Alternative conceptsof population

  • Day-time population

    • Number of people who are present in an area during normal business hours

    • Can be crudely compiled based on place of residence and place of work

    • Can be enhanced if more information is available such as flow of students; cross-district flow for leisurely activities like shopping; and flow of non-residents including cross-boundary workers and students living in the mainland as well as foreign visitors


District Council / Constituency Area :Central & Western  Chung Wan



Alternative concepts of population1
Alternative conceptsof population

  • HK residents having resided/staying substantially in the mainland

    • Having resided/stayed in the Mainland for at least one month in the past six months before the reference time-point


Alternative concepts of population2
Alternative conceptsof population

  • HK residents having resided/staying substantially in the mainland (cont’d)

    • Data collected through a survey approach with estimation adopting a post-stratification method (by type, sex, age and duration of residence) based on administrative data

    • Limitation of the survey approach: Not all short-stay HK permanent residents can be covered (confined to those who had a usual place of residence in HK)


Interactive mode of data dissemination
Interactive mode ofdata dissemination

  • The advance of the Internet technology support dynamic mode of information delivery

  • Already an international trend in disseminating statistics interactively through the Internet

  • Interactive Data Dissemination Service (IDDS) launched in Aug 2008


Partnership with business in data dissemination
Partnership with businessin data dissemination

  • Re-disseminating official statistics through business partnership

    • Mode of public-private collaboration

    • Extension of traditional data dissemination channels

  • Example: Building group statistics jointly developed by Centamap & C&SD


Partnership with business in data dissemination cont d
Partnership with businessin data dissemination (cont’d)

  • Advantages of business partnership

    • Better understanding of market needs →Innovative use of statistics

    • Leverage on the strengths of others

      • Extensive/worldwide business network maintained by business partners

      • With additional resources (e.g. expertise) → overcome the resource constraint problem

    • Less subject to government constraints and practices → More flexible and timely deployment