Which decades were most serial killers were born in?

Data shows that the “worst” serial killers were born between the 1930s and the 1960s. This number peaked in the 1940s and 1950s before steadily decreasing in the decades that followed.

Overview.

We compiled a list of 179 serial killers from 31 different countries. Furthermore, these were the worst killers that we could find. Between them, these people took like the lives of at least 3,065 victims.

Although the list contains familiar names such as Gary Ridgway, Ted Bundy and John Wayne Gacy, we also made sure to include lesser-known serial killers such as Vladimir Kuzmin, Joseph Naso, Gao Chengyong and Rodney Alcala.

Which decade were the most serial killers born in?

Out of the 179 serial killers in our list, 27% were born in the 1950s. In comparison, 24% were born in the 1940s and 20% were born in the 1960s.

Take a look at the following graph.

decade that serial killers born in

A bar chart showing which decades most serial killers were born in.

As you can see, these births peaked in the 1950s before continuing to fall. Out of the 179 killers on this list, only 2.79% were born in the 1980s. In addition to this, this list did not contain any serial killers that were born in the 1990s. The youngest that we could find was Alexander Bychkov, who was born on April 1st, 1988. Bychkov was convicted for the murder of nine men in Russia back in 2013. He carried out his first murder in 2009, when we was 21 years old.

A list format of these results:

  • 1900s: 3
  • 1910s: 2
  • 1920s: 4
  • 1930s: 16
  • 1940s: 43
  • 1950s: 49
  • 1960s: 36
  • 1970s: 21
  • 1980s: 5

As you can see, many of these murderers grew up in the aftermath of World War 2. In the past, it has been suggested that society in the post-war period grew to become more violent (PTSD, etc). However, the reason for this decline in serial killers is a bit more complex than that.

In short:

  1. Forensic science has become more advanced.
  2. In addition, technology in general has come on leaps and bounds. CCTV cameras are everywhere.
  3. Law enforcement has become more knowledgeable about sex crimes and those who commit them.
  4. Communication between the various law enforcement bodies has increased.
  5. The FBI began to study these killers in the 1970s.
  6. Mental health is taken far more seriously.
  7. Parole has become much stricter, especially in respect to sexual predators.
  8. Child social services have improved.
  9. People nowadays are far less trusting of strangers.

All in all, there are a myriad of reasons why serial killers have declined over the years.

Which decade were the most American serial killers born in?

Most American serial killers were born in the 1940s and 1950s. In fact, these two decades are “tied”, so to speak.

which decades American serial killers were born in

A bar chart showing which decades American serial killers were born in.

Here, you can see that there was an even steeper fall in the birth of serial killers after the 1950s. In addition to this, only 1 of the 69 US-born murderers on our list were born after the 1960s.

Most common year for the birth of serial killers.

The top year on our list was 1959. Out of the 179 offenders, 10 were born in 1959. In other words, that is 5.59%. This was followed by 1952, which saw the birth of 9 serial murderers. 1946 was next on the list, with 8.

The mean year for a killer to be born in was 1953.

However, in the United States, the top year was 1950 (6)(8.7%), followed by 1945 (5)(7.25%). In addition to this, we calculated that the mean year for a serial killer to be born in the United States was 1949.

Which generation has the most serial killers? Boomers, Gen X or the Silent Generation?

In the USA, each demographic cohort has its own name. For example, anyone born between 1945 and 1964 is considered to be a “Baby Boomer”. On the other hand, “Millenials” are people who were born between 1980 and 1994.

For fun, we decided to split our list up into their relevant generations. Note that we excluded Jake Bird and Nannie Doss as they were both born before 1928.

  • Silent Generation: 18 serial killers.
  • Baby Boomer: 43.
  • Generation X: 6.

Here, you can see that the Baby Boomer generation makes up the vast majority of our US serial killers. That is a whopping 62.32%. On the contrary, Millenials do no even appear on the list.

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