Why it matters
The problem, in numbers
Published research on work, AI and mental health. They describe the problem that Custodian addresses. Our own results are on the How it works page.
AI at work
Adoption runs ahead of measurement
41%
of workers in Switzerland use generative AI at work
With Norway, the highest share in Europe.
Swiss Federal Statistical Office, 2026
72%
of knowledge tasks took less thinking effort with AI
More trust in AI went with less critical thinking.
Microsoft Research and Carnegie Mellon, 2025
0.15%
of weekly ChatGPT users show strong emotional attachment
At ChatGPT's scale, about a million people a week.
OpenAI, 2025
Trust
People stay quiet when they feel watched
48%
of EU workers fear that telling about a mental health condition would harm their career
EU-OSHA, OSH Pulse 2025
25%
of EU workers are monitored by algorithms
At work and in their personal behaviour.
EU-OSHA, OSH Pulse 2025
20%
of employees worldwide are engaged at work
The lowest share since 2020.
Gallup, State of the Global Workplace 2026
The cost of inaction
What goes unmeasured shows up later, as stress and exhaustion
30.3%
of workers in Switzerland are emotionally exhausted
The highest share since the index started in 2014.
Health Promotion Switzerland, Job-Stress-Index 2022
CHF 6.5 bn
cost of work stress to the Swiss economy
Estimate for 2022.
Health Promotion Switzerland, Job-Stress-Index 2022
29%
of EU workers have stress, depression or anxiety caused or made worse by work
EU-OSHA, OSH Pulse 2025
12 bn
working days lost each year to depression and anxiety
About US$1 trillion in lost productivity.
WHO, Mental health at work, 2026
Measure it before it costs you
Start with one team and see the signals in your own conversations.