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Collection: National Map Polygon

Dataset: National Map Polygon

EnvironmentGeospatial

National Map Polygon

Data from Jun 2025

Last updated: 13 Nov 2025, 11:25 SGT

SLA (Singapore Land Authority)

This dataset contains polygon features of national map data which includes coastal outlines, recreational and hydrographic features.

Attribute Legend

AttributesData TypeDescription
OBJECTIDNumeric-
NAMEText-
FOLDERPATHText-
SYMBOLIDNumeric-
INC_CRCText-
FMEL_UPD_DNumeric-
SHAPE.AREANumeric-
SHAPE.LENNumeric-

Dataset preview

This code can be used to view the raw JSON dataset for National Map Polygon. Large datasets may be truncated in the preview. Please download the dataset for complete data.

{
	"type" : "FeatureCollection",
	"name" : "SINGAPOREMAP_POLYGON",
	"features" : [
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "Polygon",
				"coordinates" : [
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Sample OpenAPI query

This code can be used to test a sample API query. It retrieves the data catalogue of this dataset. For a complete guide on query parameters and syntax, please refer to the API documentation

import requests
          
dataset_id = "d_29f066d67df3eae91df8a42f443863c8"
url = "https://api-open.data.gov.sg/v1/public/api/datasets/" + dataset_id + "/poll-download"
        
response = requests.get(url)
json_data = response.json()
if json_data['code'] != 0:
    print(json_data['errMsg'])
    exit(1)

url = json_data['data']['url']
response = requests.get(url)
print(response.text)

Citation

This dataset can be reused and cited in research publications.

Singapore Land Authority. (2017). National Map Polygon (2025) [Dataset]. data.gov.sg. Retrieved December 13, 2025 from https://data.gov.sg/datasets/d_29f066d67df3eae91df8a42f443863c8/view

About this dataset

Contact

SLA_CDO_Office@sla.gov.sg

Created on

21 Jun 2017

Licence

Free forever for personal or commercial use, under the Open Data Licence.

Agency

SLA (Singapore Land Authority)