# Men’s Average Testosterone Levels Have Halved in 50 years

> **Newsylist Open Intelligence Dossier** · First detected: 2026-07-08 19:29 UTC · Category: Health · Sources: 15 · Current Velocity: 15.49

## Executive Summary
Scientists warn that average testosterone levels in men have dropped by half over the last five decades, sparking a global conversation on male reproductive health.

## Intelligence Brief
A global study, highlighted by an Israeli research team, indicates that male testosterone levels have declined by approximately 50% over the past 50 years. This trend has prompted discussions regarding a potential male fertility crisis and broader reproductive health concerns.


Coverage from The Guardian, The Independent, and The Jerusalem Post emphasizes the scale of the decline and the worries of scientists. Other reports, including those from the London Evening Standard and Firstpost, focus on the concept of 'manopause' and the hormonal changes men may experience after age 40.


Future attention is directed toward the implications for masculinity and fatherhood, as well as the medical explanations for hormonal shifts in men as they age.

## Verified Facts & Key Claims
### By how much have testosterone levels decreased?
According to the study, average testosterone levels in men have fallen by half over the last 50 years.

### What is 'manopause'?
Coverage from Firstpost and the London Evening Standard describes it as hormonal changes and problems affecting millions of men, often occurring after age 40.

### Which study initiated these reports?
The Jerusalem Post refers to an Israeli global study as the source of the finding regarding the 54% drop in testosterone levels.

## Key People, Organizations & Locations
Study, Israeli, Doctors, Global, Studies, Testosterone, Average Testosterone Levels Have Halved, Testosterone Levels Have Fallen, Years and Scientists Are Worried

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| The Jerusalem Post | Male fertility crisis? Israeli global study finds 54% drop in testosterone levels over five decades | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMiZ0FVX3lxTFA3SHhXR1k3cS02X3U2ei1DOXZ3UlZrVERqQUpKdmZCZlVkNFZXTTlPTW1oVXJfOGxNQ3FUYjRpTjRrQzVWOHpET243bjYxYkVSTURldWxGTWZhUlB6XzY1UmxtVDJZOHM?oc=5) |
| The Independent | Men’s testosterone levels have fallen by half in last 50 years, scientists warn | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxPZU1EUW1zSzg1VkZOYXN6TWtOS1VhQ1pLRVlwZldZTGhZWk1YQ2c1NGdfM3JVdjhjbmVzTE5kODQ4MkJ1RWR2eVNocmpmcEUwU1RDYllJZ3NDWkNXQ3IwemRnZGtFQ1g1c1FBWEdFVlRnbHNWSG12UE52Q3B1ZzJTRmw2Z3g5WkgxMjdmX2JPQmdDd1dIbHhEeA?oc=5) |
| The Guardian | ‘Spermageddon’: is the world facing a male reproductive crisis? | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMiswFBVV95cUxQWnpGRWtZU3FqWEltNTQzNzJkdDZjdjBFUFJMckVfWVl6MU9pNXItdHBENWZ3amVZZXh1b1p1eERsM3BJUDVuMDUzSlFSSnpfX1loV1V6emdMY1lESi1NX2kwM0piSzVQdWctWGUtN2tTVW9tOHluOVVmUzdScjhhVW9vRkpIUVRCZGJncVZCa0w2M05IY0JRY29LZ2xWMU1fOGROV3BxeXZVWnhjeXpIUi10UQ?oc=5) |
| American Institute for Boys and Men | AIBM | Testosterone, fatherhood, and what it means for masculinity | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMijwFBVV95cUxNS0RFUkRrVE5NbmNfS1lPdVQ4YjFfeUNES3RYMkdRaUd6U0VpcExUWFNCZE5zM3RoNy1yWkdST1VHTzVDdU41T0ZuX1BNYXBMdGlFRDc2c0lTZC1PelhaWVlWLWxTRHJaNWR4S2ZsWjJmYXdEdUw4RWpPRFFRdWJPcEk0eEE4Yk9rNTBPV2pURQ?oc=5) |
| 동아사이언스 | Global testosterone levels in men fall by half over 50 years | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMiT0FVX3lxTE16RVU5eHpaeGNIV2NZVmpBN054VDc3Z2ZHcjBVcnFxM0gxd3lQNk9iMWhUVHVfSnZyckhQZmNuZml5RUhXMGIxRkZGS29USnc?oc=5) |
| The i Paper | Why everyone is suddenly talking about testosterone | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxPdkNrNDcwU05hMUR0eFcxMjRMMGVxNXlIcWVtZzIxUjBmckpVb1gtUFdRQ2VXbzE4aU5CUngwcUF6NzQxLWFja0lWWU1YSDRzMDhiOWRVWXA2TjJ1MEhHOXJZLWtjM09wd3FaRy1Yb2hOeC05OGVRSFlINEZyS1pCdkp0ZjlLR0Y2SzhQZnVSM0NLV3M?oc=5) |
| Inshorts | Men's average testosterone levels have halved in last 50 years: Study - To read more from the study | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMisgFBVV95cUxQLWZ4YzkxYmxwVEFwc2Y0d3lubS1PWnZTTUotbTlaQXNXa21oeF9fTDBHZ2NoZGRHbXZ0UzljVDV1SVdLZUNQU2N5NUFZOWJheGNKVklHcTFDZUVZc0NpV0VqZVJkLWJTSUZQaEQxVGI4R2t4enJiOFdjWTNsZVBfUV85VHFpRFdwZXNLVnZJZTlCUkNGNUVfVDNFX3NzZVg3QmJqZkJMTUNEZ2pKRHdsR0Vn0gG3AUFVX3lxTE1RR3pUaGM1NHVXWjg1RXUwRjlGOEczU29LbEJTY1ppLW9uRU53Y2VLcE9mMzNRdG9DMmc5X3EzZVptQlJLOXNmRm5KYXlXSkdfaEQ4Z1JJMTdackpDcjd2ems1YmltVzl2UWJxNWd5UmZkRDVhckJSZGF1amlUUGltdlNMM0hCSDBzd1MzMmhyaS1IS2k0bFBwU2NnbG5EcTJ) |
| IOL | The midlife software update: Yes, men go through menopause too | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMisgFBVV95cUxPVlpldkEtNlNSY2ZEemdfTF9YUjN1QU9kMTVoUzNZWWVTRW1IWldOeGdua2YyVFdWb3l6aG1LWE5vNmJuU2NTLS1Cc282SXVpRnd2YXZiUHdiNW1XcjNUckhicXVLVVIzWWRhMXMzV1dqeGpuRXRjRGc3bU9nWldKM0JuRG1HQm5VX3I5SVZKdE9qUHdkdWhySFp6NlAzMm81cDE4SVkxbmJ0SzNmZXpNdEFR?oc=5) |
| The Star | Do men undergo menopause too? | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMiiwFBVV95cUxNR1lGWl9Ybm82bFQ3X2lXY3FEdlJuVlA3S1pzanhMbXBRVDNTZUh6TmNaLURkdjZYNFZBOU9VaFFPUkhTWXhmQmh4eUVobl9VTHVZdEJlRVFaclkydTlmRkpqeVJWSmN4cXdoOS04Y2c5ekxzUEFuSmNBSS0tcEZscVF1enNJZFgxU2hB?oc=5) |
| ZME Science | Men’s Testosterone Levels Have Fallen by Half in 50 Years and Scientists Are Worried | 2026-07-09 22:22 | [Source Link](https://news.google.com/rss/articles/CBMihwFBVV95cUxOdzJlRmV4MVdjc0d5MDFFQXJHNEdnUDVYQTU2RXFXSjV4ZDVTQURrTWdnME4yY3RUeUdpaXFBWU90WWNod0JrSUtmWlNYeFY0TVBTNHhxekpOUmpReENOM2Eta0NPRzFrUU1BWHFxeFA2OGt1eVpFSTBaVkZOajRISHQwMVktVTg?oc=5) |
| Firstpost | Is 'manopause' real? Doctors explain why some men experience hormonal changes after 40 | 2026-07-08 16:24 | [Source Link](https://news.google.com/rss/articles/CBMizgFBVV95cUxOQ2M1RU0tbHBMVkRvb2wtRWFvcEJwMVdZMmxXZEY5ZGplejIxOGlzeUFadzdZTGpkbVRPU1E3QXdCLWZrcUJLRFJVS3FESEZmSWZFWlVYR3FCQjAtb1oyM01UMHJWekZBMVluMFg4dFZWWnVvU0QtWm1sTjl1MU9JN2NfeVFpWjNVeVluQTg0TmRFbE9oeUxBaUFRMTdfaVh6MmozNWJJcTJZZ01zd3FKUjZscjVVZHJGN2pOWlpCY0xBVENjX1lLSWZJRkhJUdIB0wFBVV95cUxPWjU1Vk53X1cwNXpqNU9CVTZ0SWR5YVBZTkdqRWo5bXBtRDFVX0hkcV9rMmp4T3pOeXl2b19YeXFFSmtMMGhvS3ZEeHEtSjM5NFQ3MXR1T1RSbzYyX3NNdlN3RWoyMjllZkg2OGJsNFJXazZCa29LVUdYMHRxMzQ4dzRPV01) |
| 매일경제 | Studies have shown that the average level of testosterone, a male hormone, has decreased by nearly h.. | 2026-07-08 16:24 | [Source Link](https://news.google.com/rss/articles/CBMiS0FVX3lxTE5nb1NscTNKcnNtQVlQdTZtYWowRkg4RTA1ZmpNbEpuV1NMcEVTSmJXNUVMd0lHRGdTLVA0NHBPRDgxSFU0X0gzajd6QQ?oc=5) |
| London Evening Standard | The manopause is real: the hormone problem affecting millions of men | 2026-07-08 16:24 | [Source Link](https://news.google.com/rss/articles/CBMirAFBVV95cUxOVEtadE42eG9KTU5memN6NENaM1pJdnFtNnAzYzRLOUllWEdWTmpxbzgtX0F4VFJfWlhrU0pDUTNGekN6ZHhiTmU0RzJEUkFuWVkzLVFiQTdlNTFIZDVKTmhrZ3VTakkxaXQ2LThFNk5TQlNqV2hHUFFXd0hBcE5wOXZIcktPemowcVRQMHdxemx2eXRDdGZSYW1IaHZQWE9FeGtacGxzd0ZCdXlj?oc=5) |
| The Guardian | Men’s average testosterone levels have halved in last 50 years, say scientists | 2026-07-08 16:24 | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxQSDZDVzFkLVF4cGUzako4S1pGcHBMVGNIcEpqSmp2LTV1dHoyZ2F6dm1zeTJDNHNRWU9NRGY1VFBVUG9EYW0ySVZPWFFyTFBtU3dQcDlwRXJfWndvYTBxb3ZSQjYzRG1jYW41YmRKOVVpNzBSSEs0amFCSDJLU05GYVZWRjRzUGg2U21xU2xoejBWeFQ3cVlHc1F6SG5MZUxLVW9sSkRrTkY3MDJFMjZxS2JsZlNuTUc3MGFDTDhtYjd2QQ?oc=5) |
| Ground News | Men’s Average Testosterone Levels Have Halved in 50 years | 2026-07-08 16:24 | [Source Link](https://news.google.com/rss/articles/CBMilgFBVV95cUxQSEFETWxLdDU1cUExdVNfSEg3MkN2NHR4dVFZR0VXZ0ZxY1owVkZ2ZktSMV9GWk5CSER4enpfYlpsSVJLX245c0h6UTRRd24tb0FmOXMwMGZTYlF2eHdFQnZNWmRmbTd2SUJFdnllS1BiY3UwZ1lURGxESUlpY3dyb0NGU25Sc1g2bVV3emZCOU81OTcxOEE?oc=5) |

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