34c99ec7a9
Renames (consistent naming convention): - DE-Church-Exits, DE-Mental-Health, DE-Social-Isolation, DE-Wastewater-Surveillance, DE-Wellbeing, DE-World-Values New source catalog entries (DS-00021 through DS-00027): - Church Exits (EKD/DBK), Common Metrics (Destatis/Bundesbank/BA/ZEW), Democracy Metrics (V-Dem/RSF/ALLBUS), Mental Health (Gallup/Destatis/DAK), Social Isolation (Genesis/Einsamkeitsstudie), Wellbeing (Eurostat EHIS), World Values (WVS/EVS) All 16 DE datasets + 1 EU dataset now have consistent naming and source catalogs. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
69 lines
2.5 KiB
Markdown
69 lines
2.5 KiB
Markdown
# DE Social Isolation Indicators
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---
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## 🎯 BEST ESTIMATE
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| Metric | Value | Confidence | Last Updated |
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|--------|-------|------------|--------------|
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| **Single-person households (2025)** | **42.1%** | 95% | 2025 |
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| **Single-person (absolute)** | **~17,327k** | 95% | 2025 |
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| **Chronically lonely (2021)** | **~3.9M** | 85% | 2021 |
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| **Share feeling lonely (2021)** | **27%** | 85% | 2021 |
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**One-liner:** 42.1% of German households are single-person — structural atomization at record levels.
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**Caveat:** Single-person household rate ≠ loneliness rate; many live alone by choice. Use as structural proxy, not direct measure of isolation.
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---
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## Quick Context
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Single-person households have grown continuously in Germany from ~21% (1961) to 42.1% (2025). Structural trend reflects delayed family formation, urbanization, aging, and declining community bonds — feeding into PR-00001 (Meaning Crisis). The 2021 loneliness study (BMFSFJ/TU München) adds the subjective dimension: 27% report feeling lonely, ~3.9M chronically.
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## Data Sources
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### haushalte-nach-groesse.csv
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Three-source hybrid, merged by year (Genesis prioritized over Eurostat):
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| Period | Source | Table | Notes |
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|--------|--------|-------|-------|
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| 1961–2004 | Destatis Genesis | 12211-9022 (Privathaushalte) | Old Mikrozensus design |
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| 2005–2019 | Eurostat LFS | lfst_hhnhtych | Gap filler; agrees within ±0.5pp with Genesis |
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| 2020+ | Destatis Genesis | 12211-0300 (Hauptwohnsitzhaushalte) | New Mikrozensus design; "Insgesamt" row |
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**Unit:** thousands (Tausend Haushalte)
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**Note:** "2+/3+/4+/5+ person" columns are only available from Genesis tables, not from Eurostat LFS.
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### loneliness-study.csv
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**Source:** BMFSFJ / TU München Einsamkeitsstudie 2021 (n=5,000+, representative)
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**Coverage:** 2021 (single wave — no time series)
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**URL:** https://www.bmfsfj.de/bmfsfj/aktuelles/alle-meldungen/mehr-als-jeder-vierte-ist-einsam-185966
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---
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## Genesis API
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Credentials in `~/.claude/.env` (DESTATIS_USERNAME / DESTATIS_PASSWORD).
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Auth: POST + HTTP headers. Free registration: https://www-genesis.destatis.de/genesis/online
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---
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## Substrate Connection
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- **Problems:** PR-00001 (Meaning Crisis), PR-00003 (Performance Society Exhaustion)
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- **Proxy cluster:** Soziale Isolation (Cluster 4)
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- **Argument:** AR-00004
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---
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## Changelog
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| Date | Change | Reason |
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|------|--------|--------|
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| 2026-04-22 | Initial dataset — Eurostat LFS | PR-00001 evidence expansion |
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| 2026-04-22 | Switched to Genesis + Eurostat hybrid; merged loneliness study | Higher confidence; full historical series |
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