{
 "schema_version": 1,
 "metric_id": "M2",
 "name": "Severe loneliness",
 "domain": "M",
 "tier": "v1",
 "grade": "B",
 "frequency": "A",
 "harmonized_international": false,
 "caveats": "Short series (2019, then 2021+): 2020 was not surveyed — the gap stays visible, never bridged. 'Severe' = score 5-6 on the 6-item De Jong Gierveld scale. Far too short for any decades framing.",
 "methodology_notes": "Verified 9 Jul 2026: 85766NED, Kenmerken T009002, MateVanEenzaamheid A052503 (sterk), point estimates only. 2019: 8.7% -> 2021: 11.0% (COVID peak) -> 2025: 10.1%.",
 "owner_review_required": false,
 "sources": [
  {
   "org": "CBS",
   "dataset_code": "85766NED",
   "licence": "CC BY 4.0 (CBS)"
  }
 ],
 "breaks": [],
 "primary": {
  "key": "CBS|85766NED|NL|%|Kenmerken=T009002,Marges=MW00000,MateVanEenzaamheid=A052503,topic=Eenzaamheid_1",
  "dataset_code": "85766NED",
  "source_org": "CBS",
  "unit_code": "%",
  "unit_label": "%",
  "dimensions": {
   "Marges": "MW00000",
   "Kenmerken": "T009002",
   "MateVanEenzaamheid": "A052503",
   "topic": "Eenzaamheid_1"
  },
  "frequency": "A",
  "points": [
   {
    "period": "2019",
    "value": 8.7
   },
   {
    "period": "2021",
    "value": 11.0
   },
   {
    "period": "2022",
    "value": 10.7
   },
   {
    "period": "2023",
    "value": 10.8
   },
   {
    "period": "2024",
    "value": 9.8
   },
   {
    "period": "2025",
    "value": 10.1
   }
  ]
 },
 "series": [
  {
   "key": "CBS|85766NED|NL|%|Kenmerken=T009002,Marges=MW00000,MateVanEenzaamheid=A052503,topic=Eenzaamheid_1",
   "dataset_code": "85766NED",
   "source_org": "CBS",
   "unit_code": "%",
   "unit_label": "%",
   "dimensions": {
    "Marges": "MW00000",
    "Kenmerken": "T009002",
    "MateVanEenzaamheid": "A052503",
    "topic": "Eenzaamheid_1"
   },
   "frequency": "A",
   "points": [
    {
     "period": "2019",
     "value": 8.7
    },
    {
     "period": "2021",
     "value": 11.0
    },
    {
     "period": "2022",
     "value": 10.7
    },
    {
     "period": "2023",
     "value": 10.8
    },
    {
     "period": "2024",
     "value": 9.8
    },
    {
     "period": "2025",
     "value": 10.1
    }
   ]
  }
 ],
 "peers": [],
 "derived": [],
 "trend": {
  "direction": "flat",
  "method": "OLS over last 8 annual observations, 5% significance (MBW convention)",
  "window_start": "2019",
  "window_end": "2025",
  "slope_per_year": 0.138571
 },
 "deltas": {
  "y1": 0.3,
  "latest_period": "2025",
  "latest_value": 10.1
 },
 "revisions_since": "2026-07-09",
 "generated_at": "2026-09-04T08:06:56+00:00"
}