{
  "comparison": "MP2019 (Dec 2019) vs MP2025 (Dec 2025)",
  "retrieved": "2026-09-28",
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    "2025": 113394
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  "repaired_geometries": {
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    "2025": 3
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  "unique_new_polygons": 2521,
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    "GPR increase": 209,
    "GPR decrease": 154
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    "GPR increase": 379.338342,
    "GPR decrease": 132.53481299999999
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    "Under 100 sqm sqm": 145941.95165312773,
    "Under 2% of smaller source polygon": 1115,
    "Under 2% of smaller source polygon sqm": 374681.5203352133,
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    "No interior after 1m erosion sqm": 26863.69437736259
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  "coverage_difference_hectares": {
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    "2025 only": 1212.2433999999998
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  "source_overlap_warning_sqm": {
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      "GPR decrease": 1,
      "GPR code change": 22
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      "GPR increase": 5
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      "hectares": 261.40700000000004,
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      "GPR code change": 11
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      "GPR decrease": 1,
      "GPR increase": 4
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      "GPR code change": 1,
      "GPR increase": 1
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      "hectares": 88.75930000000001,
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      "GPR decrease": 4,
      "GPR code change": 6
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      "GPR code change": 3
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      "GPR increase": 2
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      "GPR decrease": 2,
      "GPR code change": 4
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      "GPR decrease": 3,
      "GPR increase": 1
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      "GPR decrease": 4
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      "GPR code change": 3,
      "GPR decrease": 2
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      "GPR increase": 1
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      "GPR increase": 4
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      "GPR code change": 5
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      "GPR code change": 8
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      "GPR code change": 2
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      "Land use change": 50,
      "GPR increase": 10
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      "GPR code change": 2
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      "GPR code change": 5
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      "hectares": 55.852799999999995,
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      "Land use change": 108,
      "GPR code change": 3
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      "hectares": 9.6494,
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      "Land use change": 10
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      "fragments": 1,
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      "hectares": 8.4733,
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      "GPR code change": 11
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      "GPR decrease": 3
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      "GPR decrease": 2
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      "GPR increase": 5
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      "hectares": 88.9874,
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      "GPR decrease": 2,
      "GPR code change": 1
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      "hectares": 1.4743000000000002,
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    "Changi Bay": {
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