Older people living alone in Japan have no simple daily check that tells someone when they stop responding.
Older people living alone
Where it stands
- Sourced (done)
- Kit (done)
- Wanted (next)
- Building
- Solved
How this problem came to be
- Found2 sourcesnippon.com, nationthailand.com
- Quoted4 claimseach checked against its page
- BriefWrittenand what solved looks like
- Market1 signals22,222 people
- Kit5 steps21 tools · 6 routes
- People0 want0 live it · 0 would test
The problem, broken down
- Who it hurts
- People over 65 who live alone, and relatives or neighbours who live far away.
- The moment
- A fall or illness at home, when nobody notices for days because nobody expected to hear from them.
- What people do today
- Families phone when they can; neighbours, delivery workers or landlords raise the alarm after mail piles up or there is a smell.
- Why it's unsolved
- Watch services exist, but a check that is cheap, needs no smartphone skills, and alerts a chosen person quickly is not standard for most people living alone.
- What solved looks like
- A low-cost device or phone routine where the person makes one daily action, such as pressing a button or opening the fridge, and a named contact gets an automatic message if nothing happens by a set time, with the person in control of who is told.
Evidence
Every claim is tied to the source it comes from- 1In 2025, 76,941 of the 204,562 bodies handled by Japanese police were people who died alone in their homes.
- 2About 22,222 people were found at least eight days after death, and in 7,148 cases the body was not discovered for over a month.
- 3People aged 65 and over accounted for 58,919 of these deaths, or 76.6% of the total.
- 4Men were 3.8 times more likely than women to die alone and remain undiscovered for longer periods.
Builders still need to know
Written from the cited sources. Anything they don't say is left as a question, not a guess.
Sources
From a public page with a citation.
- [1]Nation Thailand: Japan's 'lonely deaths' hit 76,000 (Apr 2026)
- [2]Nippon.com: Japan Data on people dying alone at home (May 2026)
What the source says, in short
In 2025, 76,941 of the 204,562 bodies handled by Japanese police were people who died alone in their homes. About 22,222 people were found at least eight days after death, and in 7,148 cases the body was not discovered for over a month. People aged 65 and over accounted for 58,919 of these deaths, or 76.6% of the total. Men were 3.8 times more likely than women to die alone and remain undiscovered for longer periods.
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How big this is, from the evidence
- Nippon.com: Japan Data on people dying alone at home (May 2026) ↗Who it touches · High confidence22,222 people“About 22,222 people were found at least eight days after death, and in 7,148 cases the body was not discovered for over a month.”
How these were measured: A figure quoted in the problem's evidence, checked against its source when the brief was written.
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