{
  "report_id": "174-membership-effective-attendance-cost",
  "status": "validated",
  "source_snapshot": {
    "centers": 2054,
    "aggregate_rows": 34583,
    "eligible_monthly_payments": 7301594,
    "zero_attendance_payments": 2055278
  },
  "period": "2022-01-01/2025-12-31",
  "definitions": {
    "eligible_monthly_payment": "Cuota positiva de un mes, una unidad, importe mensual entre 10 y 500 euros y vigencia estándar.",
    "effective_cost": "Importe mensual dividido por asistencias efectivas; solo se calcula cuando existe al menos una.",
    "zero_attendance": "Mensualidad sin ninguna asistencia efectiva durante su vigencia."
  },
  "primary_2025": {
    "year": 2025,
    "minimum_payments": 50,
    "minimum_active_payments": 30,
    "centers": 1867,
    "payments": 2309423,
    "active_payments": 2084033,
    "zero_attendance_share_pct": {
      "p25": 1.81,
      "median": 3.54,
      "p75": 7.9,
      "bootstrap_95_ci_median_pct": [
        3.33,
        3.73
      ]
    },
    "centers_by_zero_attendance_share": {
      "under_2_pct": {
        "centers": 533,
        "share_pct": 28.55
      },
      "2_to_under_5_pct": {
        "centers": 639,
        "share_pct": 34.23
      },
      "5_to_under_10_pct": {
        "centers": 314,
        "share_pct": 16.82
      },
      "10_to_under_20_pct": {
        "centers": 195,
        "share_pct": 10.44
      },
      "20_pct_or_more": {
        "centers": 186,
        "share_pct": 9.96
      }
    },
    "centers_at_or_below_5_pct_zero_attendance_pct": 62.77,
    "centers_above_10_pct_zero_attendance_pct": 20.35,
    "effective_cost_per_attendance_eur": {
      "p25": 5.0,
      "median": 6.25,
      "p75": 8.12,
      "bootstrap_95_ci_median_eur": [
        6.25,
        6.43
      ]
    },
    "monthly_amount_eur": {
      "p25": 47.7,
      "median": 55.0,
      "p75": 65.0
    },
    "attendance_count": {
      "p25": 7.0,
      "median": 8.0,
      "p75": 10.0
    },
    "largest_center_payment_share_pct": 0.84
  },
  "attendance_bands_2025": {
    "1–3": {
      "minimum_payments_per_center": 20,
      "centers": 1715,
      "payments": 203677,
      "effective_cost_per_attendance_eur": {
        "p25": 17.5,
        "median": 22.5,
        "p75": 27.5
      },
      "monthly_amount_eur": {
        "p25": 40.0,
        "median": 50.0,
        "p75": 60.0
      }
    },
    "4–7": {
      "minimum_payments_per_center": 20,
      "centers": 1848,
      "payments": 578585,
      "effective_cost_per_attendance_eur": {
        "p25": 7.5,
        "median": 9.0,
        "p75": 10.83
      },
      "monthly_amount_eur": {
        "p25": 45.0,
        "median": 50.0,
        "p75": 60.0
      }
    },
    "8–11": {
      "minimum_payments_per_center": 20,
      "centers": 1817,
      "payments": 658229,
      "effective_cost_per_attendance_eur": {
        "p25": 5.0,
        "median": 6.11,
        "p75": 7.5
      },
      "monthly_amount_eur": {
        "p25": 45.0,
        "median": 55.0,
        "p75": 65.0
      }
    },
    "12–15": {
      "minimum_payments_per_center": 20,
      "centers": 1581,
      "payments": 362853,
      "effective_cost_per_attendance_eur": {
        "p25": 3.93,
        "median": 4.62,
        "p75": 5.5
      },
      "monthly_amount_eur": {
        "p25": 50.0,
        "median": 60.0,
        "p75": 70.0
      }
    },
    "16+": {
      "minimum_payments_per_center": 20,
      "centers": 1261,
      "payments": 272902,
      "effective_cost_per_attendance_eur": {
        "p25": 3.0,
        "median": 3.5,
        "p75": 4.05
      },
      "monthly_amount_eur": {
        "p25": 55.0,
        "median": 65.0,
        "p75": 76.26
      }
    }
  },
  "annual": {
    "2022": {
      "year": 2022,
      "minimum_payments": 50,
      "minimum_active_payments": 30,
      "centers": 846,
      "payments": 879314,
      "active_payments": 633560,
      "zero_attendance_share_pct": {
        "p25": 13.93,
        "median": 18.11,
        "p75": 31.15,
        "bootstrap_95_ci_median_pct": [
          17.52,
          19.1
        ]
      },
      "centers_by_zero_attendance_share": {
        "under_2_pct": {
          "centers": 27,
          "share_pct": 3.19
        },
        "2_to_under_5_pct": {
          "centers": 45,
          "share_pct": 5.32
        },
        "5_to_under_10_pct": {
          "centers": 51,
          "share_pct": 6.03
        },
        "10_to_under_20_pct": {
          "centers": 355,
          "share_pct": 41.96
        },
        "20_pct_or_more": {
          "centers": 368,
          "share_pct": 43.5
        }
      },
      "centers_at_or_below_5_pct_zero_attendance_pct": 8.51,
      "centers_above_10_pct_zero_attendance_pct": 85.22,
      "effective_cost_per_attendance_eur": {
        "p25": 5.0,
        "median": 5.91,
        "p75": 7.5,
        "bootstrap_95_ci_median_eur": [
          5.71,
          6.11
        ]
      },
      "monthly_amount_eur": {
        "p25": 45.0,
        "median": 51.11,
        "p75": 60.0
      },
      "attendance_count": {
        "p25": 7.0,
        "median": 9.0,
        "p75": 10.0
      },
      "largest_center_payment_share_pct": 1.75
    },
    "2023": {
      "year": 2023,
      "minimum_payments": 50,
      "minimum_active_payments": 30,
      "centers": 1132,
      "payments": 1233695,
      "active_payments": 1017192,
      "zero_attendance_share_pct": {
        "p25": 2.54,
        "median": 5.99,
        "p75": 20.23,
        "bootstrap_95_ci_median_pct": [
          5.31,
          6.58
        ]
      },
      "centers_by_zero_attendance_share": {
        "under_2_pct": {
          "centers": 221,
          "share_pct": 19.52
        },
        "2_to_under_5_pct": {
          "centers": 297,
          "share_pct": 26.24
        },
        "5_to_under_10_pct": {
          "centers": 193,
          "share_pct": 17.05
        },
        "10_to_under_20_pct": {
          "centers": 134,
          "share_pct": 11.84
        },
        "20_pct_or_more": {
          "centers": 287,
          "share_pct": 25.35
        }
      },
      "centers_at_or_below_5_pct_zero_attendance_pct": 45.76,
      "centers_above_10_pct_zero_attendance_pct": 37.1,
      "effective_cost_per_attendance_eur": {
        "p25": 4.99,
        "median": 6.0,
        "p75": 7.62,
        "bootstrap_95_ci_median_eur": [
          5.79,
          6.11
        ]
      },
      "monthly_amount_eur": {
        "p25": 45.0,
        "median": 54.95,
        "p75": 60.0
      },
      "attendance_count": {
        "p25": 7.0,
        "median": 9.0,
        "p75": 10.0
      },
      "largest_center_payment_share_pct": 1.94
    },
    "2024": {
      "year": 2024,
      "minimum_payments": 50,
      "minimum_active_payments": 30,
      "centers": 1526,
      "payments": 1730967,
      "active_payments": 1506240,
      "zero_attendance_share_pct": {
        "p25": 1.99,
        "median": 4.0,
        "p75": 10.72,
        "bootstrap_95_ci_median_pct": [
          3.73,
          4.4
        ]
      },
      "centers_by_zero_attendance_share": {
        "under_2_pct": {
          "centers": 384,
          "share_pct": 25.16
        },
        "2_to_under_5_pct": {
          "centers": 482,
          "share_pct": 31.59
        },
        "5_to_under_10_pct": {
          "centers": 261,
          "share_pct": 17.1
        },
        "10_to_under_20_pct": {
          "centers": 164,
          "share_pct": 10.75
        },
        "20_pct_or_more": {
          "centers": 235,
          "share_pct": 15.4
        }
      },
      "centers_at_or_below_5_pct_zero_attendance_pct": 57.08,
      "centers_above_10_pct_zero_attendance_pct": 26.15,
      "effective_cost_per_attendance_eur": {
        "p25": 5.0,
        "median": 6.11,
        "p75": 7.67,
        "bootstrap_95_ci_median_eur": [
          6.0,
          6.25
        ]
      },
      "monthly_amount_eur": {
        "p25": 45.0,
        "median": 55.0,
        "p75": 65.0
      },
      "attendance_count": {
        "p25": 7.0,
        "median": 8.0,
        "p75": 10.0
      },
      "largest_center_payment_share_pct": 1.14
    },
    "2025": {
      "year": 2025,
      "minimum_payments": 50,
      "minimum_active_payments": 30,
      "centers": 1867,
      "payments": 2309423,
      "active_payments": 2084033,
      "zero_attendance_share_pct": {
        "p25": 1.81,
        "median": 3.54,
        "p75": 7.9,
        "bootstrap_95_ci_median_pct": [
          3.33,
          3.72
        ]
      },
      "centers_by_zero_attendance_share": {
        "under_2_pct": {
          "centers": 533,
          "share_pct": 28.55
        },
        "2_to_under_5_pct": {
          "centers": 639,
          "share_pct": 34.23
        },
        "5_to_under_10_pct": {
          "centers": 314,
          "share_pct": 16.82
        },
        "10_to_under_20_pct": {
          "centers": 195,
          "share_pct": 10.44
        },
        "20_pct_or_more": {
          "centers": 186,
          "share_pct": 9.96
        }
      },
      "centers_at_or_below_5_pct_zero_attendance_pct": 62.77,
      "centers_above_10_pct_zero_attendance_pct": 20.35,
      "effective_cost_per_attendance_eur": {
        "p25": 5.0,
        "median": 6.25,
        "p75": 8.12,
        "bootstrap_95_ci_median_eur": [
          6.25,
          6.43
        ]
      },
      "monthly_amount_eur": {
        "p25": 47.7,
        "median": 55.0,
        "p75": 65.0
      },
      "attendance_count": {
        "p25": 7.0,
        "median": 8.0,
        "p75": 10.0
      },
      "largest_center_payment_share_pct": 0.84
    }
  },
  "sensitivity_2025": {
    "minimum_20_payments_10_active": {
      "year": 2025,
      "minimum_payments": 20,
      "minimum_active_payments": 10,
      "centers": 1893,
      "payments": 2311747,
      "active_payments": 2084687,
      "zero_attendance_share_pct": {
        "p25": 1.81,
        "median": 3.57,
        "p75": 8.09,
        "bootstrap_95_ci_median_pct": [
          3.35,
          3.75
        ]
      },
      "centers_by_zero_attendance_share": {
        "under_2_pct": {
          "centers": 538,
          "share_pct": 28.42
        },
        "2_to_under_5_pct": {
          "centers": 642,
          "share_pct": 33.91
        },
        "5_to_under_10_pct": {
          "centers": 319,
          "share_pct": 16.85
        },
        "10_to_under_20_pct": {
          "centers": 198,
          "share_pct": 10.46
        },
        "20_pct_or_more": {
          "centers": 196,
          "share_pct": 10.35
        }
      },
      "centers_at_or_below_5_pct_zero_attendance_pct": 62.33,
      "centers_above_10_pct_zero_attendance_pct": 20.76,
      "effective_cost_per_attendance_eur": {
        "p25": 5.0,
        "median": 6.29,
        "p75": 8.2,
        "bootstrap_95_ci_median_eur": [
          6.25,
          6.43
        ]
      },
      "monthly_amount_eur": {
        "p25": 47.0,
        "median": 55.0,
        "p75": 65.0
      },
      "attendance_count": {
        "p25": 7.0,
        "median": 8.0,
        "p75": 10.0
      },
      "largest_center_payment_share_pct": 0.84
    },
    "minimum_100_payments_60_active": {
      "year": 2025,
      "minimum_payments": 100,
      "minimum_active_payments": 60,
      "centers": 1829,
      "payments": 2304267,
      "active_payments": 2081549,
      "zero_attendance_share_pct": {
        "p25": 1.8,
        "median": 3.47,
        "p75": 7.73,
        "bootstrap_95_ci_median_pct": [
          3.3,
          3.67
        ]
      },
      "centers_by_zero_attendance_share": {
        "under_2_pct": {
          "centers": 528,
          "share_pct": 28.87
        },
        "2_to_under_5_pct": {
          "centers": 630,
          "share_pct": 34.45
        },
        "5_to_under_10_pct": {
          "centers": 304,
          "share_pct": 16.62
        },
        "10_to_under_20_pct": {
          "centers": 192,
          "share_pct": 10.5
        },
        "20_pct_or_more": {
          "centers": 175,
          "share_pct": 9.57
        }
      },
      "centers_at_or_below_5_pct_zero_attendance_pct": 63.31,
      "centers_above_10_pct_zero_attendance_pct": 20.07,
      "effective_cost_per_attendance_eur": {
        "p25": 5.0,
        "median": 6.25,
        "p75": 8.12,
        "bootstrap_95_ci_median_eur": [
          6.25,
          6.43
        ]
      },
      "monthly_amount_eur": {
        "p25": 48.0,
        "median": 55.0,
        "p75": 65.0
      },
      "attendance_count": {
        "p25": 7.0,
        "median": 8.0,
        "p75": 10.0
      },
      "largest_center_payment_share_pct": 0.84
    }
  },
  "quality": {
    "center_balanced": true,
    "zero_attendance_excluded_from_cost_division": true,
    "closed_year_primary": true,
    "personal_or_center_identifiers_exported": false
  },
  "limitations": [
    "El coste efectivo describe uso observado y no el valor percibido, el acceso disponible ni la rentabilidad del centro.",
    "Una mensualidad sin asistencia puede reflejar lesión, viaje, pausa no formalizada u otros motivos que los datos no explican.",
    "Los años anteriores a 2022 quedan fuera de la serie pública porque no alcanzan la cobertura mínima de uso por centro.",
    "Se utiliza el importe pagado con impuestos y no se atribuyen costes operativos a cada asistencia."
  ],
  "version": "1.3",
  "effective_cost_regions_2025": {
    "definition": "Comunidad aproximada mediante los dos primeros dígitos del código postal de facturación.",
    "minimum_centers_per_community": 30,
    "published_communities": 11,
    "regions": [
      {
        "community": "Andalucía",
        "centers": 634,
        "payments": 813074,
        "largest_center_payment_share_pct": 2.39,
        "effective_cost_per_attendance_eur": {
          "p25": 4.55,
          "median": 5.56,
          "p75": 7.5
        },
        "monthly_amount_eur": {
          "p25": 44.25,
          "median": 50.0,
          "p75": 60.0
        },
        "attendance_count": {
          "p25": 8.0,
          "median": 8.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.72,
          "median": 3.28,
          "p75": 7.49
        }
      },
      {
        "community": "Castilla-La Mancha",
        "centers": 83,
        "payments": 99835,
        "largest_center_payment_share_pct": 4.78,
        "effective_cost_per_attendance_eur": {
          "p25": 4.56,
          "median": 5.62,
          "p75": 6.88
        },
        "monthly_amount_eur": {
          "p25": 45.0,
          "median": 50.0,
          "p75": 60.0
        },
        "attendance_count": {
          "p25": 8.0,
          "median": 8.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.46,
          "median": 2.73,
          "p75": 7.01
        }
      },
      {
        "community": "Región de Murcia",
        "centers": 85,
        "payments": 96253,
        "largest_center_payment_share_pct": 3.7,
        "effective_cost_per_attendance_eur": {
          "p25": 4.58,
          "median": 5.71,
          "p75": 7.14
        },
        "monthly_amount_eur": {
          "p25": 40.0,
          "median": 50.0,
          "p75": 55.0
        },
        "attendance_count": {
          "p25": 7.0,
          "median": 8.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.89,
          "median": 3.39,
          "p75": 9.93
        }
      },
      {
        "community": "Castilla y León",
        "centers": 42,
        "payments": 55730,
        "largest_center_payment_share_pct": 5.79,
        "effective_cost_per_attendance_eur": {
          "p25": 5.51,
          "median": 5.91,
          "p75": 7.24
        },
        "monthly_amount_eur": {
          "p25": 50.5,
          "median": 60.0,
          "p75": 65.0
        },
        "attendance_count": {
          "p25": 8.0,
          "median": 9.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.37,
          "median": 2.16,
          "p75": 5.87
        }
      },
      {
        "community": "Canarias",
        "centers": 122,
        "payments": 119753,
        "largest_center_payment_share_pct": 3.01,
        "effective_cost_per_attendance_eur": {
          "p25": 5.08,
          "median": 6.0,
          "p75": 6.88
        },
        "monthly_amount_eur": {
          "p25": 48.5,
          "median": 55.0,
          "p75": 64.71
        },
        "attendance_count": {
          "p25": 8.0,
          "median": 9.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.42,
          "median": 2.65,
          "p75": 5.23
        }
      },
      {
        "community": "Comunidad Valenciana",
        "centers": 315,
        "payments": 347387,
        "largest_center_payment_share_pct": 1.74,
        "effective_cost_per_attendance_eur": {
          "p25": 5.5,
          "median": 6.36,
          "p75": 8.33
        },
        "monthly_amount_eur": {
          "p25": 49.0,
          "median": 57.0,
          "p75": 65.0
        },
        "attendance_count": {
          "p25": 7.0,
          "median": 8.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.94,
          "median": 3.85,
          "p75": 7.72
        }
      },
      {
        "community": "Galicia",
        "centers": 45,
        "payments": 63685,
        "largest_center_payment_share_pct": 5.72,
        "effective_cost_per_attendance_eur": {
          "p25": 6.0,
          "median": 6.56,
          "p75": 8.12
        },
        "monthly_amount_eur": {
          "p25": 52.5,
          "median": 55.0,
          "p75": 60.0
        },
        "attendance_count": {
          "p25": 7.0,
          "median": 8.0,
          "p75": 9.0
        },
        "zero_attendance_share_pct": {
          "p25": 3.14,
          "median": 4.38,
          "p75": 8.09
        }
      },
      {
        "community": "Comunidad de Madrid",
        "centers": 205,
        "payments": 283438,
        "largest_center_payment_share_pct": 2.72,
        "effective_cost_per_attendance_eur": {
          "p25": 6.67,
          "median": 7.5,
          "p75": 9.38
        },
        "monthly_amount_eur": {
          "p25": 60.0,
          "median": 69.0,
          "p75": 75.0
        },
        "attendance_count": {
          "p25": 7.0,
          "median": 8.0,
          "p75": 10.0
        },
        "zero_attendance_share_pct": {
          "p25": 1.8,
          "median": 3.62,
          "p75": 8.51
        }
      },
      {
        "community": "Cataluña",
        "centers": 95,
        "payments": 141204,
        "largest_center_payment_share_pct": 5.02,
        "effective_cost_per_attendance_eur": {
          "p25": 6.39,
          "median": 7.56,
          "p75": 9.78
        },
        "monthly_amount_eur": {
          "p25": 55.0,
          "median": 63.65,
          "p75": 69.88
        },
        "attendance_count": {
          "p25": 7.0,
          "median": 8.0,
          "p75": 9.0
        },
        "zero_attendance_share_pct": {
          "p25": 3.55,
          "median": 7.41,
          "p75": 14.1
        }
      },
      {
        "community": "País Vasco",
        "centers": 33,
        "payments": 34968,
        "largest_center_payment_share_pct": 7.29,
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      "La comunidad de facturación puede no coincidir con la ubicación de la instalación.",
      "Las diferencias territoriales mezclan precio, frecuencia, producto, tamaño y composición de clientes.",
      "La sensibilidad iguala una banda amplia de asistencia, pero no todos los servicios incluidos ni la propuesta del centro.",
      "El resultado describe centros usuarios de WodBuster y no constituye un censo del mercado."
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              3.34
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            "p25": 1.64,
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            "bootstrap_95_ci_median_pct": [
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          "payments": 91456,
          "largest_center_payment_share_pct": 7.75,
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            "median": 6.5,
            "p75": 12.6,
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        "difference_percentage_points": 3.78,
        "ratio": 2.39
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    },
    "bootstrap_iterations": 5000,
    "limitations": [
      "La comunidad de facturación puede no coincidir con la ubicación de la instalación.",
      "Una mensualidad sin uso no identifica su causa ni demuestra insatisfacción o intención de baja.",
      "Las diferencias territoriales pueden mezclar producto, tamaño, composición de clientes y prácticas de registro.",
      "La sensibilidad aproxima la frecuencia habitual del centro, pero no iguala servicios, horarios ni perfiles de cliente.",
      "El resultado describe centros usuarios de WodBuster y no constituye un censo del mercado."
    ]
  },
  "publication": {
    "date_published": "2026-07-19",
    "date_modified": "2026-07-19",
    "canonical_url": "https://wodbuster.com/observatorio/importe-por-asistencia-cuota-mensual/"
  }
}