Development of Census Mapping and Use of GIS in China

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Development of Census Mapping and Use of GIS in
China

• Gao Hansong
• Census Center of National Bureau of Statistics,
  China
• 10.2007

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1 Overview China Census

• Population Census (every 10 years )2000(5th) ,
  2010
• Economic Census (every 5 years )2004(1st),2008,20
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• Agriculture Census (every 10 years
  )2007(1st),2017

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• In China, The local government and local
  statistics officials take a more important role
  in Census
• Census is organized in accordance with
  administrative divisions province, city,
  county/district, town, village/block and
  enumeration areas(EA)

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2 Development of Census Mapping and Use of GIS

• In the 2000 census, most parts of China used
  hand-drawn census maps, not digital maps, because
  available maps were too small to provide
  sufficient details, or considered out of date.
• But in the past 5 years, many cities got
  high-quality and large-scale maps, by surveying
  and aerial photography.

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• Some city digitizing the census maps and
  developed local Statistic-Geographic Information
  Systems
• Census data are linked with spatial data, by
  adding hand-drawn EAs boundaries above the new
  maps as an overlay.

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• Usually the local bureau of statistics and their
  cooperation commercial company develop and manage
  these systems which are funded by local
  government
• GIS software SuperMap, ArcGIS, MapInfo

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A Statistic-Geographic Information System of
Qingshan District, Baotou City
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Census map of Qingshan buildings, enumeration
areas boundary and POI
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The system integrate the data of Population
Census, Economic Census and other statistic survey
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Users can inquiries and analysis all the local
data about population, economy, social problem,
with table, graph or thematic map
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• We published CD-ROM named as Annual Electric
  Maps of National Social and Economic Statistics
  since 2004, which is a simple GIS for query at
  county/district level.
• The map scale is 1250,000
• The attribute data includes statistic data of
  every county in the whole country, including
  population, work, education, industry and so on

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3 Problems

• Uniform standard China is a big country, but in
  very different.
• There is no uniform standard of census mapping in
  China.
• Some cities have accurate census maps and
  developed systems , while some have only cursory
  maps drawn in paper.

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• Different areas have different difficulty
• In the big cityRoads and buildings change soon.
  The expenses of buying large-scale maps and
  updating are too expensive
• In some areaThe local government dont have
  enough money to survey, update maps and take
  digital census mapping

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• We are preparing to establish a uniform standard
  of census mapping, which can be used in all the
  census and in most areas of China.
• Include framework, approach, software and so on
• Some areas will be funded

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• Spatial Data
• All the activities about surveying and mapping
  are under the supervision of State Bureau of
  Surveying and Mapping (SBSM) in China
• Its hard to got spatial data which can be used
  in census mapping, especially large-scale maps

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• We need to cooperate with SBSM to got spatial
  data. We need more large-scale maps which is
  updated to support census mapping.
• We will make a more closer cooperation with SBSM.
  Maybe a standard of basic map elements for census
  will be established soon.

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4 Prospect

• We have a project to construct a platform named
  as ESSGIS (Economic and Social Statistic GIS),
  include census mapping, management of the census
  database, analysis of the data and data
  dissemination

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Census data management
Census data analysis
Census data dissemination
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We are developing a simple software used in
census mapping instead of manual drawing.
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• We are applying for special funds to complete
  the project .
• We will make a trial in the 2008s China
  Economic Census
• Maybe in 2010 population census

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• Thank you