dataset_stats.json

{
  "generated_at": "2026-04-05T17:38:27.324614+00:00",
  "dataset_version": "1.0.0",
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  "total_tile_pairs": 72363,
  "tiles_with_buildings": 46469,
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  "zoom_level": 19,
  "tile_prefix": "OAM",
  "imagery_source": "OpenAerialMap",
  "label_source": "OpenStreetMap",
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    "Liberia": 5,
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    "Colombia": 1,
    "Trinidad and Tobago": 1,
    "Nigeria": 1,
    "Argentina": 1,
    "Cuba": 1
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    "Open Mapping Hub for West and Northern Africa": 2,
    "YouthMappers": 1,
    "OSM Kurdistan": 1,
    "The Geographic Information Systems Society of Trinidad and Tobago (GISSTT)": 1
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      "name": "Building Mapping in Kashima, Minami-Souma 2022 Fukushima Earthquake M7.4",
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      "name": "MEXICO ACAPULCO RECOVERY FROM HURRICANE OTIS 2023 - DAMAGED BUILDINGS - (7)",
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      "name": "Proyecto de Mapeo San Antonio de Prado (Vereda Monta\u00f1ita)",
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      "name": "MEXICO ACAPULCO RECOVERY FROM HURRICANE OTIS 2023 - DAMAGED BUILDINGS (8)",
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      "name": "MEXICO ACAPULCO RECOVERY FROM HURRICANE OTIS 2023 - DAMAGED BUILDINGS (9)",
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      "name": "MEXICO ACAPULCO RECOVERY FROM HURRICANE OTIS 2023 - DAMAGED BUILDINGS (16)",
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      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
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      "name": "MEXICO ACAPULCO RECOVERY FROM HURRICANE OTIS 2023 - DAMAGED BUILDINGS (18)",
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    {
      "project_id": 16698,
      "name": "Amazon mapping in Peru in support of community-based disaster management Ciudad Constituci\u00f3n",
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      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
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      "name": "Amazon mapping in Peru in support of community-based disaster management Ja\u00e9n",
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      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
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      "organisation": "OSM Sierra Leone",
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    {
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      "organisation": "Kenya Red Cross",
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      "size_mb": 6.3
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    {
      "project_id": 17035,
      "name": "Nairobi River Njiru4",
      "country": "Kenya",
      "organisation": "Kenya Red Cross",
      "valid_pairs": 148,
      "pairs_with_buildings": 88,
      "pairs_without_buildings": 60,
      "total_building_polygons": 467,
      "area_sq_km": 1.16,
      "size_mb": 5.8
    },
    {
      "project_id": 17036,
      "name": "Nairobi River Njiru5",
      "country": "Kenya",
      "organisation": "Kenya Red Cross",
      "valid_pairs": 93,
      "pairs_with_buildings": 68,
      "pairs_without_buildings": 25,
      "total_building_polygons": 522,
      "area_sq_km": 0.86,
      "size_mb": 3.5
    },
    {
      "project_id": 17127,
      "name": "Mapping Eswatini for Resilient efforts_Piggs_Peak",
      "country": "Eswatini",
      "organisation": "National Disaster Management Agency Eswatini",
      "valid_pairs": 2376,
      "pairs_with_buildings": 624,
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      "total_building_polygons": 3126,
      "area_sq_km": 18.52,
      "size_mb": 49.4
    },
    {
      "project_id": 17288,
      "name": "BassaTown slum mapping project - Monrovia, Liberia",
      "country": "Liberia",
      "organisation": "HOT",
      "valid_pairs": 110,
      "pairs_with_buildings": 110,
      "pairs_without_buildings": 0,
      "total_building_polygons": 1962,
      "area_sq_km": 1.64,
      "size_mb": 4.2
    },
    {
      "project_id": 17290,
      "name": "Gabachop slum mapping project - Monrovia, Liberia",
      "country": "Liberia",
      "organisation": "HOT",
      "valid_pairs": 14,
      "pairs_with_buildings": 14,
      "pairs_without_buildings": 0,
      "total_building_polygons": 834,
      "area_sq_km": 0.19,
      "size_mb": 1.0
    },
    {
      "project_id": 17291,
      "name": "WoodCamp  slum mapping project - Monrovia, Liberia",
      "country": "Liberia",
      "organisation": "HOT",
      "valid_pairs": 121,
      "pairs_with_buildings": 121,
      "pairs_without_buildings": 0,
      "total_building_polygons": 2999,
      "area_sq_km": 1.68,
      "size_mb": 5.3
    },
    {
      "project_id": 17346,
      "name": "Zayzay community slum mapping project - Monrovia, Liberia",
      "country": "Liberia",
      "organisation": "HOT",
      "valid_pairs": 53,
      "pairs_with_buildings": 53,
      "pairs_without_buildings": 0,
      "total_building_polygons": 1284,
      "area_sq_km": 0.63,
      "size_mb": 2.2
    },
    {
      "project_id": 17394,
      "name": "Cowfield Community slum mapping project - Monrovia, Liberia",
      "country": "Liberia",
      "organisation": "HOT",
      "valid_pairs": 239,
      "pairs_with_buildings": 238,
      "pairs_without_buildings": 1,
      "total_building_polygons": 3569,
      "area_sq_km": 2.4,
      "size_mb": 7.9
    },
    {
      "project_id": 17400,
      "name": "Mulungushi slum mapping project - Mwanza, Tanzania",
      "country": "Tanzania",
      "organisation": "HOT",
      "valid_pairs": 21,
      "pairs_with_buildings": 18,
      "pairs_without_buildings": 3,
      "total_building_polygons": 571,
      "area_sq_km": 0.55,
      "size_mb": 1.5
    },
    {
      "project_id": 17409,
      "name": "Nyerere B slum mapping project - Mwanza, Tanzania",
      "country": "Tanzania",
      "organisation": "HOT",
      "valid_pairs": 9,
      "pairs_with_buildings": 9,
      "pairs_without_buildings": 0,
      "total_building_polygons": 463,
      "area_sq_km": 0.26,
      "size_mb": 0.7
    },
    {
      "project_id": 17413,
      "name": "Busenga slum mapping project - Mwanza, Tanzania",
      "country": "Tanzania",
      "organisation": "HOT",
      "valid_pairs": 238,
      "pairs_with_buildings": 216,
      "pairs_without_buildings": 22,
      "total_building_polygons": 3120,
      "area_sq_km": 2.77,
      "size_mb": 8.2
    },
    {
      "project_id": 17414,
      "name": "Kigoto slum mapping project - Mwanza, Tanzania",
      "country": "Tanzania",
      "organisation": "HOT",
      "valid_pairs": 17,
      "pairs_with_buildings": 14,
      "pairs_without_buildings": 3,
      "total_building_polygons": 335,
      "area_sq_km": 0.67,
      "size_mb": 1.0
    },
    {
      "project_id": 17569,
      "name": "COCKLE BAY SLUM MAPPING PROJECT 02 - FREETOWN, SIERRA LEONE",
      "country": "Sierra Leone",
      "organisation": "OSM Sierra Leone",
      "valid_pairs": 1,
      "pairs_with_buildings": 1,
      "pairs_without_buildings": 0,
      "total_building_polygons": 121,
      "area_sq_km": 0.09,
      "size_mb": 0.2
    },
    {
      "project_id": 17589,
      "name": "Chorkor slum mapping project - Accra, Ghana",
      "country": "Ghana",
      "organisation": "HOT",
      "valid_pairs": 48,
      "pairs_with_buildings": 48,
      "pairs_without_buildings": 0,
      "total_building_polygons": 5199,
      "area_sq_km": 0.9,
      "size_mb": 4.9
    },
    {
      "project_id": 17592,
      "name": "Old Fadama slum mapping project - Accra, Ghana",
      "country": "Ghana",
      "organisation": "HOT",
      "valid_pairs": 66,
      "pairs_with_buildings": 66,
      "pairs_without_buildings": 0,
      "total_building_polygons": 14778,
      "area_sq_km": 0.9,
      "size_mb": 14.2
    },
    {
      "project_id": 17669,
      "name": "Agbogloshie slum mapping project - Accra, Ghana",
      "country": "Ghana",
      "organisation": "HOT",
      "valid_pairs": 68,
      "pairs_with_buildings": 68,
      "pairs_without_buildings": 0,
      "total_building_polygons": 4271,
      "area_sq_km": 0.98,
      "size_mb": 4.7
    },
    {
      "project_id": 18072,
      "name": "ODPM's GIS Day Mapathon Fanny Village",
      "country": "Trinidad and Tobago",
      "organisation": "The Geographic Information Systems Society of Trinidad and Tobago (GISSTT)",
      "valid_pairs": 134,
      "pairs_with_buildings": 121,
      "pairs_without_buildings": 13,
      "total_building_polygons": 1077,
      "area_sq_km": 1.78,
      "size_mb": 6.2
    },
    {
      "project_id": 18368,
      "name": "Mapping Eswatini for Resilient efforts - NHLANGANO",
      "country": "Eswatini",
      "organisation": "National Disaster Management Agency Eswatini",
      "valid_pairs": 2607,
      "pairs_with_buildings": 1037,
      "pairs_without_buildings": 1570,
      "total_building_polygons": 6164,
      "area_sq_km": 31.76,
      "size_mb": 40.9
    },
    {
      "project_id": 18481,
      "name": "Centro Poblado Francisco I Madero",
      "country": "Mexico",
      "organisation": "Comunidad OSM Colombia",
      "valid_pairs": 346,
      "pairs_with_buildings": 181,
      "pairs_without_buildings": 165,
      "total_building_polygons": 1379,
      "area_sq_km": 2.58,
      "size_mb": 7.7
    },
    {
      "project_id": 18515,
      "name": "Community-Based Urban Planning for Sustainable and Climate-Resilient Development - Mapathon 2025 #6 Djonasse",
      "country": "Mozambique",
      "organisation": "#MapeandoMeuBairro",
      "valid_pairs": 1296,
      "pairs_with_buildings": 1250,
      "pairs_without_buildings": 46,
      "total_building_polygons": 9691,
      "area_sq_km": 10.8,
      "size_mb": 36.8
    },
    {
      "project_id": 18516,
      "name": "Community-Based Urban Planning for Sustainable and Climate-Resilient Development - Mapathon 2025 #5 Guava",
      "country": "Mozambique",
      "organisation": "#MapeandoMeuBairro",
      "valid_pairs": 1101,
      "pairs_with_buildings": 1084,
      "pairs_without_buildings": 17,
      "total_building_polygons": 15522,
      "area_sq_km": 9.22,
      "size_mb": 38.1
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    {
      "project_id": 18517,
      "name": "Community-Based Urban Planning for Sustainable and Climate-Resilient Development - Mapathon 2025 #4 Matola J",
      "country": "Mozambique",
      "organisation": "#MapeandoMeuBairro",
      "valid_pairs": 1076,
      "pairs_with_buildings": 1063,
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      "total_building_polygons": 20689,
      "area_sq_km": 8.56,
      "size_mb": 41.4
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    {
      "project_id": 18518,
      "name": "Community-Based Urban Planning for Sustainable and Climate-Resilient Development - Mapathon 2025 #3 1 de Maio",
      "country": "Mozambique",
      "organisation": "#MapeandoMeuBairro",
      "valid_pairs": 1050,
      "pairs_with_buildings": 1043,
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      "total_building_polygons": 17858,
      "area_sq_km": 8.16,
      "size_mb": 36.9
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    {
      "project_id": 18519,
      "name": "Community-Based Urban Planning for Sustainable and Climate-Resilient Development - Mapathon 2025 #2 Mahotas",
      "country": "Mozambique",
      "organisation": "#MapeandoMeuBairro",
      "valid_pairs": 300,
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      "pairs_without_buildings": 6,
      "total_building_polygons": 6814,
      "area_sq_km": 1.69,
      "size_mb": 11.8
    },
    {
      "project_id": 18520,
      "name": "Community-Based Urban Planning for Sustainable and Climate-Resilient Development - Mapathon 2025 #1 Magoanine-C",
      "country": "Mozambique",
      "organisation": "#MapeandoMeuBairro",
      "valid_pairs": 169,
      "pairs_with_buildings": 150,
      "pairs_without_buildings": 19,
      "total_building_polygons": 2805,
      "area_sq_km": 0.96,
      "size_mb": 6.2
    },
    {
      "project_id": 18527,
      "name": "Centro Poblado Los Joaquines",
      "country": "Mexico",
      "organisation": "Comunidad OSM Colombia",
      "valid_pairs": 76,
      "pairs_with_buildings": 28,
      "pairs_without_buildings": 48,
      "total_building_polygons": 212,
      "area_sq_km": 0.76,
      "size_mb": 2.1
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    {
      "project_id": 18571,
      "name": "Myanmar Earthquake 2025 - Mandalay City Buildings Mapping",
      "country": "Myanmar",
      "organisation": "myOSM",
      "valid_pairs": 17622,
      "pairs_with_buildings": 15080,
      "pairs_without_buildings": 2542,
      "total_building_polygons": 300235,
      "area_sq_km": 171.33,
      "size_mb": 512.5
    },
    {
      "project_id": 18604,
      "name": "Myanmar Earthquake 2025 - Sagaing Town Building Footprints",
      "country": "Myanmar",
      "organisation": "myOSM",
      "valid_pairs": 12956,
      "pairs_with_buildings": 7004,
      "pairs_without_buildings": 5952,
      "total_building_polygons": 62735,
      "area_sq_km": 79.74,
      "size_mb": 215.9
    },
    {
      "project_id": 18618,
      "name": "Myanmar Earthquake 2025 - Amarapura/Mandalay Buildings Mapping",
      "country": "Myanmar",
      "organisation": "myOSM",
      "valid_pairs": 13301,
      "pairs_with_buildings": 5182,
      "pairs_without_buildings": 8119,
      "total_building_polygons": 69354,
      "area_sq_km": 149.23,
      "size_mb": 228.7
    },
    {
      "project_id": 18622,
      "name": "Mapping Buildings - Gigmoto, Catanduanes - DroneDeploy, Help.NGO and CatSu",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 70,
      "pairs_with_buildings": 65,
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      "total_building_polygons": 1651,
      "area_sq_km": 1.17,
      "size_mb": 2.8
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    {
      "project_id": 18623,
      "name": "Mapping Buildings - Bato River, Catanduanes - DroneDeploy, Help.NGO and CatSu",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 464,
      "pairs_with_buildings": 150,
      "pairs_without_buildings": 314,
      "total_building_polygons": 706,
      "area_sq_km": 18.82,
      "size_mb": 7.7
    },
    {
      "project_id": 18624,
      "name": "Mapping Buildings - Baras Mangroves, Catanduanes - DroneDeploy, Help.NGO and CatSu",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 51,
      "pairs_with_buildings": 3,
      "pairs_without_buildings": 48,
      "total_building_polygons": 4,
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      "size_mb": 1.2
    },
    {
      "project_id": 22810,
      "name": "Mokwa Flooding 2025 Recovery - Mapping Damaged Buildings",
      "country": "Nigeria",
      "organisation": "Open Mapping Hub for West and Northern Africa",
      "valid_pairs": 8,
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      "pairs_without_buildings": 1,
      "total_building_polygons": 113,
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      "size_mb": 0.2
    },
    {
      "project_id": 22842,
      "name": "Villa An\u00ed M\u00ed - Disaster preparedness ",
      "country": "Argentina",
      "organisation": "HOT",
      "valid_pairs": 71,
      "pairs_with_buildings": 68,
      "pairs_without_buildings": 3,
      "total_building_polygons": 391,
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      "size_mb": 4.2
    },
    {
      "project_id": 25020,
      "name": "COCONUT FARM INFORMAL SETTLEMENT MAPPING PROJECT - FREETOWN, SIERRA LEONE",
      "country": "Sierra Leone",
      "organisation": "HOT",
      "valid_pairs": 51,
      "pairs_with_buildings": 51,
      "pairs_without_buildings": 0,
      "total_building_polygons": 2607,
      "area_sq_km": 0.78,
      "size_mb": 3.8
    },
    {
      "project_id": 25317,
      "name": "FreeTown Drone Imagery Mapping",
      "country": "Sierra Leone",
      "organisation": "Open Mapping Hub for West and Northern Africa",
      "valid_pairs": 1231,
      "pairs_with_buildings": 1189,
      "pairs_without_buildings": 42,
      "total_building_polygons": 44966,
      "area_sq_km": 16.96,
      "size_mb": 66.8
    },
    {
      "project_id": 25878,
      "name": "Cockle Bay 1 - Dissolve Special Project",
      "country": "Sierra Leone",
      "organisation": "HOT",
      "valid_pairs": 10,
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      "total_building_polygons": 493,
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      "size_mb": 0.8
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    {
      "project_id": 25879,
      "name": "Cockle Bay 2 - Dissolve Special Project",
      "country": "Sierra Leone",
      "organisation": "HOT",
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    {
      "project_id": 25880,
      "name": "Kroo Bay 1 - Dissolve Special Project",
      "country": "Sierra Leone",
      "organisation": "HOT",
      "valid_pairs": 5,
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      "area_sq_km": 0.28,
      "size_mb": 0.3
    },
    {
      "project_id": 27660,
      "name": "Mapping Buildings and Roads-  Poblacion, Javier, Leyte",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 97,
      "pairs_with_buildings": 85,
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      "total_building_polygons": 1445,
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      "size_mb": 3.2
    },
    {
      "project_id": 29081,
      "name": "Mapat\u00f3n Nacional Per\u00fa Mariela Amazon\u00eda ",
      "country": "Peru",
      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
      "valid_pairs": 488,
      "pairs_with_buildings": 418,
      "pairs_without_buildings": 70,
      "total_building_polygons": 3444,
      "area_sq_km": 10.99,
      "size_mb": 6.7
    },
    {
      "project_id": 29112,
      "name": "Mapat\u00f3n Nacional Per\u00fa Puerto S\u00fangaro Amazon\u00eda ",
      "country": "Peru",
      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
      "valid_pairs": 271,
      "pairs_with_buildings": 258,
      "pairs_without_buildings": 13,
      "total_building_polygons": 2231,
      "area_sq_km": 5.9,
      "size_mb": 4.5
    },
    {
      "project_id": 29145,
      "name": "Mapat\u00f3n Nacional Per\u00fa Tingo Mar\u00eda Amazon\u00eda ",
      "country": "Peru",
      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
      "valid_pairs": 1396,
      "pairs_with_buildings": 1335,
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      "total_building_polygons": 17743,
      "area_sq_km": 31.08,
      "size_mb": 24.2
    },
    {
      "project_id": 33732,
      "name": "Mapping Buildings - Hiyop, Catanduanes - DroneDeploy, Help.NGO and CatSu",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 158,
      "pairs_with_buildings": 33,
      "pairs_without_buildings": 125,
      "total_building_polygons": 263,
      "area_sq_km": 1.12,
      "size_mb": 4.2
    },
    {
      "project_id": 33765,
      "name": "Mapping Buildings - San Isidro and Bugao, Catanduanes - DroneDeploy, Help.NGO and CatSu",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 94,
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      "total_building_polygons": 125,
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      "size_mb": 2.3
    },
    {
      "project_id": 34755,
      "name": "Mapping Buildings - Dampalit Creek, Los Banos, Laguna - Help.NGO and University of the Philippines Open University (UPOU)",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 29,
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      "size_mb": 1.4
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    {
      "project_id": 34854,
      "name": "Caribbean Response Hurricane Melissa 2025 Cuba (1)",
      "country": "Cuba",
      "organisation": "Open Mapping Hub for Latin America and the Caribbean",
      "valid_pairs": 692,
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      "total_building_polygons": 10000,
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      "size_mb": 19.0
    },
    {
      "project_id": 37560,
      "name": "Mapping of Building Structures \u2013 Javier, Leyte (New Cemetery)",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 36,
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      "size_mb": 0.8
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    {
      "project_id": 37593,
      "name": "Mapping Buildings \u2013 Surrounding Area of Visayas State University Vegetable Farm",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 79,
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      "size_mb": 2.0
    },
    {
      "project_id": 37627,
      "name": "Mapping Buildings \u2013 Juraojurao Island, Anini-y, Antique",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 57,
      "pairs_with_buildings": 27,
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      "size_mb": 1.6
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    {
      "project_id": 37628,
      "name": "Mapping Buildings \u2013 Poblacion and Sagua Coastal Area, Anini-y, Antique",
      "country": "Philippines",
      "organisation": "Help.NGO",
      "valid_pairs": 68,
      "pairs_with_buildings": 56,
      "pairs_without_buildings": 12,
      "total_building_polygons": 811,
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      "size_mb": 2.4
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  ]
}