Census Mapping in Indonesia

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Census Mapping in Indonesia

• By
• Eka Yulyani
• BPS Statistics Indonesia

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Organizational Chart of BPS Statistics
Indonesia
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The Main Tasks of Statistical Mapping
Subdirectorate

• Managing regional statistical offices in
  sketching maps of enumeration areas and
  administrative areas (province, regency/city,
  subdistrict, and village)
• Managing regional statistical offices in coding
  administrative area and enumeration area
• Archiving enumeration area and administrative
  area sketch maps
• Digitizing and updating administrative boundaries
  based on administrative area sketch maps
• Making census maps for publication

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Availability of Maps in BPS

• Sketch maps ? guidance for enumerator
• Province by regency/city
• Regency/city by subdistrict
• Subdistrict by village
• Village by enumeration area
• Enumeration area
• Digital maps ? making census map
• Indonesia by province, regency/city, subdistrict,
  and village

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Administrative Area Coding System (1)
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Administrative Area Coding System (2)
Island Code Note
Sumatra 1
2
Jawa 3
4 Reserve
Nusa Tenggara 5
Kalimantan 6
Sulawesi 7
Maluku 8
Papua 9
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Enumeration Area Coding System
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2
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B/K/P
Type of enumeration area B Biasa ? ordinary K
Khusus ? specific P Persiapan ? empty
Series number 001,002,003,...
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Administrative Area Index Map
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Index Map of Jawa Barat Province by Regency/City
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Index Map of Purwakarta Regency by Subdistrict
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Index Map of PurwakartaSubdistrict by Village
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Sketch Map of Province by Regency/City
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Sketch Map of Regency/City by Subdistrict
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Sketch Map of Subdistrict by Village
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Sketch Map of Village by Enumeration Area
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Sketch Map of Enumeration Area
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Developing Digital Map

• Started in 1994 collaborated with National
  Coordinating Agency for Survey and Mapping to
  obtain digital map of Indonesia by regency/city
  (scale 1 250,000)
• Digitizing subdistrict boundaries inside each
  regency/city polygon based on sketch map of
  regency/city by subdistrict
• Digitizing village boundaries inside each
  subdistrict polygon based on sketch map of
  subdistrict by village

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Use of GIS Software

• Digitizing administrative area boundaries based
  on sketch maps ? ArcInfo
• Administrative area index mapping ? ArcView
• Statistical mapping ? ArcView ArcMap
• Statistical GIS ? MapObject

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Average of Agricultural-Household Income
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IMR of East Java Province bySubdistrict
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GIS for Nutrition Mapping
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GIS for Poverty Mapping 1
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Recent Program and Planning

• Upgrading accuracy of administrative area digital
  map
• Using GPS
• On screen digitizing administrative area
  boundaries based on topographic map of National
  Coordinating Agency for Survey and Mapping or
  such as Google Earths map
• Delineating enumeration area boundary using GPS
• Developing statistical WebGIS

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Reason for Upgrading Accuracy of Administrative
Area Digital Map (1)

• Digitizing administrative boundaries based on
  administrative area sketch map caused the digital
  map is not geo-referenced. This map actually can
  not be used for spatial analysis purpose.
• National Mapping Office can not provide yet
  administrative area digital map for village
  level many people and institutions using BPS
  digital map, even for spatial analysis purpose.

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Reason for Upgrading Accuracy of Administrative
Area Digital Map (2)

• Geo-referenced digital map can improve accuracy
  of statistics related to area and distance.
• Geo-referenced digital map can be used for
  spatial and geo-statistic analysis purpose.

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Planning for Preparation of 2010 Population
Census (1)

• Reforming enumeration area
• Current enumeration area is not familiar to local
  people, so the enumeration area will be reformed
  based on neighborhood association
• Sketching maps of enumeration areas and
  administrative areas
• Reforming enumeration areas and sketching maps of
  enumeration and administrative areas will be
  conducted in 2008 and 2009. The priority
  regencies will be subdistricts/villages area
  which are predicted unchanged until Population
  Census 2010

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Planning for Preparation of 2010 Population
Census (2)

• Delineating boundaries of enumeration and
  administrative areas using GPS are started in
  2009. The priority will be the big cities.

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Study for Delineating Boundaries Using GPS (1)

• Conducted in 2006 and 2007
• Finding
• Sometimes boundaries of enumeration/
  administrative area can not be traced
• Week or no signal in dense populated area
• When the administrative area boundaries can not
  be delineated with GPS, the boundaries can be
  delineated with on screen digitizing topographic
  map or high-resolution such as Google Earths
  map, but the maps are costly enough

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Study for Delineating Boundaries Using GPS (2)

• GPS data processing is not so easy, training is
  necessary
• Indonesia is very wide country, there is 33
  provinces, 456 regencies and cities, 5905
  subdistricts, and 72303 villages. Ideally 1 GPS
  receiver is used to delineate 10 villages ? BPS
  needs about 7230 units of GPS receivers ?
  inadequate financial allocation ? BPS needs
  assistances of institutions (UNSD or other) for
  making enumeration area maps for 2010 Population
  Census

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Thank You