{
  "report_id": "021-attendance-seasonality",
  "status": "validated",
  "version": "1.1",
  "publication": {
    "headline": "La asistencia sube un 40 % de agosto a septiembre en el centro deportivo típico",
    "canonical_url": "https://wodbuster.com/observatorio/estacionalidad-asistencia/",
    "date_modified": "2026-07-18",
    "articles": [
      {
        "id": "regional-rebound",
        "path": "articles/rebote-septiembre-comunidades.html",
        "canonical_url": "https://wodbuster.com/observatorio/estacionalidad-asistencia/rebote-septiembre-comunidades/",
        "question": "¿Cómo cambia el rebote de septiembre entre comunidades autónomas?"
      }
    ]
  },
  "period": {
    "start": "2022-01-01",
    "end": "2025-12-31"
  },
  "sample": {
    "center_year_pairs_august_september": 4961,
    "distinct_centers": 1817,
    "august_attendances": 5487320,
    "september_attendances": 7481361
  },
  "definition": {
    "attendance": "Reservas que terminan en asistencia efectiva.",
    "center_year": "Un centro durante un año con al menos diez meses activos y 1.000 asistencias.",
    "density_index": "Asistencias por clase del mes respecto a la media anual del mismo centro."
  },
  "findings": {
    "august_to_september_median_change_pct": 39.73,
    "change_p25_pct": 12.63,
    "change_p75_pct": 90.09,
    "median_class_change_pct": 16.1,
    "median_attendance_per_class_change_pct": 13.37,
    "pairs_with_increase_pct": 86.96,
    "august_median_attendance_share_pct": 6.26,
    "september_median_attendance_share_pct": 8.71,
    "october_median_attendance_share_pct": 9.77,
    "august_density_index": 89.52,
    "september_density_index": 101.3,
    "regional_rebound_high_pct": 90.67,
    "regional_rebound_low_pct": 8.81,
    "regional_rebound_range_pp": 81.86
  },
  "series": {
    "monthly_profile": [
      {
        "month": "Enero",
        "center_years": 5166,
        "centers": 1884,
        "classes": 1522649,
        "attendances": 6835368,
        "median_attendance_share_pct": 8.02,
        "median_class_share_pct": 8.49,
        "median_attendance_per_class_index": 95.14
      },
      {
        "month": "Febrero",
        "center_years": 5271,
        "centers": 1916,
        "classes": 1497124,
        "attendances": 7145749,
        "median_attendance_share_pct": 8.24,
        "median_class_share_pct": 8.17,
        "median_attendance_per_class_index": 100.76
      },
      {
        "month": "Marzo",
        "center_years": 5383,
        "centers": 1955,
        "classes": 1620524,
        "attendances": 7828063,
        "median_attendance_share_pct": 8.89,
        "median_class_share_pct": 8.68,
        "median_attendance_per_class_index": 102.27
      },
      {
        "month": "Abril",
        "center_years": 5400,
        "centers": 1970,
        "classes": 1547467,
        "attendances": 7545109,
        "median_attendance_share_pct": 8.51,
        "median_class_share_pct": 8.25,
        "median_attendance_per_class_index": 103.15
      },
      {
        "month": "Mayo",
        "center_years": 5408,
        "centers": 1972,
        "classes": 1662524,
        "attendances": 8029583,
        "median_attendance_share_pct": 9.06,
        "median_class_share_pct": 8.8,
        "median_attendance_per_class_index": 102.63
      },
      {
        "month": "Junio",
        "center_years": 5399,
        "centers": 1968,
        "classes": 1612141,
        "attendances": 7525081,
        "median_attendance_share_pct": 8.47,
        "median_class_share_pct": 8.5,
        "median_attendance_per_class_index": 99.59
      },
      {
        "month": "Julio",
        "center_years": 5349,
        "centers": 1953,
        "classes": 1622184,
        "attendances": 7198084,
        "median_attendance_share_pct": 8.05,
        "median_class_share_pct": 8.61,
        "median_attendance_per_class_index": 95.07
      },
      {
        "month": "Agosto",
        "center_years": 4988,
        "centers": 1834,
        "classes": 1326422,
        "attendances": 5487443,
        "median_attendance_share_pct": 6.26,
        "median_class_share_pct": 7.29,
        "median_attendance_per_class_index": 89.52
      },
      {
        "month": "Septiembre",
        "center_years": 5395,
        "centers": 1970,
        "classes": 1628109,
        "attendances": 7752246,
        "median_attendance_share_pct": 8.71,
        "median_class_share_pct": 8.58,
        "median_attendance_per_class_index": 101.3
      },
      {
        "month": "Octubre",
        "center_years": 5411,
        "centers": 1973,
        "classes": 1736714,
        "attendances": 8726295,
        "median_attendance_share_pct": 9.77,
        "median_class_share_pct": 9.15,
        "median_attendance_per_class_index": 106.3
      },
      {
        "month": "Noviembre",
        "center_years": 5406,
        "centers": 1972,
        "classes": 1643443,
        "attendances": 8191500,
        "median_attendance_share_pct": 9.2,
        "median_class_share_pct": 8.61,
        "median_attendance_per_class_index": 105.98
      },
      {
        "month": "Diciembre",
        "center_years": 5389,
        "centers": 1964,
        "classes": 1508496,
        "attendances": 6873537,
        "median_attendance_share_pct": 7.69,
        "median_class_share_pct": 7.86,
        "median_attendance_per_class_index": 97.68
      }
    ],
    "august_to_september_by_year": [
      {
        "year": 2022,
        "center_years": 812,
        "centers": 812,
        "median_august_to_september_change_pct": 29.68,
        "share_with_increase_pct": 82.64
      },
      {
        "year": 2023,
        "center_years": 1053,
        "centers": 1053,
        "median_august_to_september_change_pct": 29.35,
        "share_with_increase_pct": 80.53
      },
      {
        "year": 2024,
        "center_years": 1333,
        "centers": 1333,
        "median_august_to_september_change_pct": 40.93,
        "share_with_increase_pct": 88.07
      },
      {
        "year": 2025,
        "center_years": 1763,
        "centers": 1763,
        "median_august_to_september_change_pct": 50.06,
        "share_with_increase_pct": 91.95
      }
    ]
  },
  "regional_seasonality": {
    "definition": "Variación de agosto a septiembre calculada dentro de cada centro-año, resumida después por centro y finalmente por comunidad.",
    "source_center_years": 4961,
    "mapped_centers": 1817,
    "published_regions": 12,
    "published_centers": 1724,
    "minimum_centers_per_community": 30,
    "minimum_center_years_per_community": 50,
    "maximum_largest_center_year_share_pct": 8.0,
    "national_center_balanced": {
      "centers": 1817,
      "center_years": 4961,
      "median_august_to_september_change_pct": 46.3,
      "median_class_change_pct": 20.89,
      "median_attendance_per_class_change_pct": 14.26
    },
    "regions": [
      {"community":"Región de Murcia","centers":74,"center_years":208,"median_august_to_september_change_pct":90.67,"median_class_change_pct":42.82,"median_attendance_per_class_change_pct":21.84,"median_august_annual_share_pct":4.68,"median_september_annual_share_pct":8.84,"centers_with_typical_increase_pct":91.89,"largest_center_year_share_pct":1.92},
      {"community":"Comunidad de Madrid","centers":194,"center_years":540,"median_august_to_september_change_pct":84.74,"median_class_change_pct":36.27,"median_attendance_per_class_change_pct":31.15,"median_august_annual_share_pct":5.02,"median_september_annual_share_pct":9.04,"centers_with_typical_increase_pct":98.97,"largest_center_year_share_pct":0.74},
      {"community":"Comunidad Valenciana","centers":286,"center_years":786,"median_august_to_september_change_pct":66.75,"median_class_change_pct":42.08,"median_attendance_per_class_change_pct":16.33,"median_august_annual_share_pct":5.6,"median_september_annual_share_pct":8.89,"centers_with_typical_increase_pct":92.31,"largest_center_year_share_pct":0.51},
      {"community":"Andalucía","centers":638,"center_years":1675,"median_august_to_september_change_pct":47.47,"median_class_change_pct":23.39,"median_attendance_per_class_change_pct":13.89,"median_august_annual_share_pct":6.16,"median_september_annual_share_pct":8.84,"centers_with_typical_increase_pct":91.54,"largest_center_year_share_pct":0.24},
      {"community":"Cataluña","centers":95,"center_years":261,"median_august_to_september_change_pct":37.52,"median_class_change_pct":15.79,"median_attendance_per_class_change_pct":13.87,"median_august_annual_share_pct":6.35,"median_september_annual_share_pct":8.81,"centers_with_typical_increase_pct":93.68,"largest_center_year_share_pct":1.53},
      {"community":"Castilla-La Mancha","centers":86,"center_years":227,"median_august_to_september_change_pct":32.7,"median_class_change_pct":16.6,"median_attendance_per_class_change_pct":6.5,"median_august_annual_share_pct":6.28,"median_september_annual_share_pct":8.45,"centers_with_typical_increase_pct":87.21,"largest_center_year_share_pct":1.76},
      {"community":"Castilla y León","centers":38,"center_years":108,"median_august_to_september_change_pct":31.66,"median_class_change_pct":9.75,"median_attendance_per_class_change_pct":16.46,"median_august_annual_share_pct":6.53,"median_september_annual_share_pct":8.12,"centers_with_typical_increase_pct":86.84,"largest_center_year_share_pct":3.7},
      {"community":"Islas Baleares","centers":67,"center_years":186,"median_august_to_september_change_pct":30.0,"median_class_change_pct":15.06,"median_attendance_per_class_change_pct":11.62,"median_august_annual_share_pct":7.19,"median_september_annual_share_pct":8.99,"centers_with_typical_increase_pct":97.01,"largest_center_year_share_pct":2.15},
      {"community":"Extremadura","centers":39,"center_years":103,"median_august_to_september_change_pct":22.39,"median_class_change_pct":13.28,"median_attendance_per_class_change_pct":8.88,"median_august_annual_share_pct":6.85,"median_september_annual_share_pct":8.26,"centers_with_typical_increase_pct":84.62,"largest_center_year_share_pct":3.88},
      {"community":"Galicia","centers":49,"center_years":142,"median_august_to_september_change_pct":19.46,"median_class_change_pct":11.41,"median_attendance_per_class_change_pct":9.36,"median_august_annual_share_pct":7.06,"median_september_annual_share_pct":8.75,"centers_with_typical_increase_pct":83.67,"largest_center_year_share_pct":2.82},
      {"community":"Canarias","centers":126,"center_years":357,"median_august_to_september_change_pct":10.98,"median_class_change_pct":4.37,"median_attendance_per_class_change_pct":5.11,"median_august_annual_share_pct":8.1,"median_september_annual_share_pct":8.66,"centers_with_typical_increase_pct":72.22,"largest_center_year_share_pct":1.12},
      {"community":"Asturias","centers":32,"center_years":109,"median_august_to_september_change_pct":8.81,"median_class_change_pct":-0.63,"median_attendance_per_class_change_pct":9.79,"median_august_annual_share_pct":7.35,"median_september_annual_share_pct":8.08,"centers_with_typical_increase_pct":71.88,"largest_center_year_share_pct":3.67}
    ],
    "sensitivity_recent_years": [
      {"community":"Región de Murcia","recent_2024_2025_centers":72,"recent_2024_2025_change_pct":96.86},
      {"community":"Comunidad de Madrid","recent_2024_2025_centers":193,"recent_2024_2025_change_pct":85.97},
      {"community":"Comunidad Valenciana","recent_2024_2025_centers":279,"recent_2024_2025_change_pct":70.2},
      {"community":"Andalucía","recent_2024_2025_centers":627,"recent_2024_2025_change_pct":50.88},
      {"community":"Cataluña","recent_2024_2025_centers":94,"recent_2024_2025_change_pct":39.59},
      {"community":"Castilla-La Mancha","recent_2024_2025_centers":86,"recent_2024_2025_change_pct":34.02},
      {"community":"Castilla y León","recent_2024_2025_centers":38,"recent_2024_2025_change_pct":34.93},
      {"community":"Islas Baleares","recent_2024_2025_centers":65,"recent_2024_2025_change_pct":31.51},
      {"community":"Extremadura","recent_2024_2025_centers":39,"recent_2024_2025_change_pct":22.62},
      {"community":"Galicia","recent_2024_2025_centers":48,"recent_2024_2025_change_pct":26.48},
      {"community":"Canarias","recent_2024_2025_centers":125,"recent_2024_2025_change_pct":13.94},
      {"community":"Asturias","recent_2024_2025_centers":32,"recent_2024_2025_change_pct":11.3}
    ],
    "excluded_regions": ["Aragón","Melilla","Navarra","Cantabria","País Vasco","La Rioja","Ceuta"]
  },
  "privacy": {
    "personal_identifiers_exported": false,
    "center_identifiers_exported": false,
    "minimum_centers_per_group": 20,
    "minimum_observations_per_group": 500
  },
  "limitations": [
    "La muestra incluye centros activos que usan WodBuster y no representa todo el mercado español.",
    "La estacionalidad describe actividad observada y no identifica vacaciones, cierres ni campañas concretas.",
    "Las medianas de oferta y densidad son referencias separadas; no deben sumarse para reconstruir el cambio total.",
    "El periodo 2022–2025 evita los años más alterados por la pandemia, pero no elimina otros cambios de composición."
  ]
}