The outspoken Twitter user won TIME magazine's Person of the Year award for 2021. This isn't the first Musk has brought up the topic. He warned about a "declining world population" in June 2019, again in July 2021, and even last December.
"If there aren't enough people for Earth, then there definitely won't be enough for Mars," Musk summed. His passing thoughts were sent out to more than 70 million Twitter followers.
These newest remarks about reducing births aren't unusual. The billionaire spoke his mind when previously feuding with Senator Elizabeth Warren.
When it comes to Musk's latest remarks, on the positive end of those agreeing with him:
"Yes," replied Dr. Jordan Peterson.
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"I'm working on it."
"The very first command that God gives to mankind if found in Genesis 1:28: 'Be fruitful and multiply...'"
"I'M TRYING HERE OKAY"
Whereas at least one detractor opposing the tweet questioned: "Why continue to populate the planet if we still have almost a billion in poverty and hundreds of millions going hungry?"
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In support of his case, the eccentric billionaire linked to a pair of articles from BBC and NPR discussing the matter.
The BBC one is dated July 2020 and examines the topic of declining fertility rates on a global level. Their piece displays a graph of the global fertility rate: what was once almost 2.5 live births per woman in 2017, was forecasted to fall to 1.75 by 2050 and 1.5 by 2100.
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"Researchers expect the number of people on the planet to peak at 9.7 billion around 2064, before falling down to 8.8 billion by the end of the century," the BBC piece states. They list places like Italy and Japan as countries whose populations will halve by the next turn of the century. Places with a slower predicted rate of decline are the United Kingdom.
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The NPR piece that Elon Musk shared on his Twitter is dated May 2021, after the first year of the pandemic and focusing on the United States. "U.S. Birth Rate Fell By 4% In 2020, Hitting Another Record Low" the headline announced.
"This is the sixth consecutive year that the number of births has declined after an increase in 2014, down an average of 2% per year, and the lowest number of births since 1979," remarked the National Center for Health Statistics at the time.
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Elon Musk has also done his part when it comes to having children. "Trying to set a good example," he told one commenter.
Elon Musk is one of the richest men alive, heading the vehicle company Tesla alongside the space-faring SpaceX. In 2021, he approximately doubled his wealth from $121 billion USD to more than $277 billion.