The hottest Population Growth Substack posts right now

And their main takeaways
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Top News Topics

Go Ahead And Have Kids

Cremieux Recueil • 664 implied HN points • 12 Jul 25
🌞 Climate & Environment Population Growth
  1. Having children is unlikely to worsen climate change, so fears about parenting in a warming world can be eased. Many studies suggest that over time, having more kids can lead to greater innovation and productivity, which could actually improve living conditions.
  2. The economic models show that whether the population declines or stabilizes, the long-term impact on emissions and temperatures will be similar. This suggests that having more people won't necessarily be bad for the planet.
  3. It's important to stop worrying about not having kids because of climate concerns. Those who care about the future and the environment are often the ones who can make positive changes, making it more beneficial to raise children.

When did medieval Europe overtake Rome?

Wrong Side of History • 455 implied HN points • 13 Aug 25
💾 History Population Growth
  1. Medieval Europe advanced in military technology earlier than Rome, primarily due to innovations like the stirrup that changed how warfare was conducted. This new technology allowed for more effective cavalry charges that Romans couldn't achieve.
  2. Population in medieval Europe began to rise significantly after the Dark Ages, eventually reaching levels that matched or exceeded ancient Rome. By the 12th and 13th centuries, cities like London were growing rapidly, highlighting the increase in urban life.
  3. Medieval architecture and other technologies improved considerably after the Roman era, marking a period of advancement. Buildings like cathedrals began to tower over Roman structures, showcasing medieval ingenuity and development.

Take the Under

The Honest Broker Newsletter • 1334 implied HN points • 28 Oct 24
🌞 Climate & Environment Population Growth
  1. Recent projections show that the global population could peak earlier and lower than previously thought, which could lead to reduced carbon emissions.
  2. Using more realistic estimates for population and economic growth can suggest that climate change might be less severe than some models predict.
  3. Climate policies should be based on updated data and current realities, not outdated assumptions, to effectively address climate change.

Fertility as Metascience

Maximum Progress • 334 implied HN points • 22 Nov 23
🌍 World Politics Population Growth
  1. Increasing population growth is crucial for economic and technological progress
  2. People have increasing returns and can drive economic growth by sharing ideas
  3. Population growth is fundamental for economic growth and technological progress based on empirical evidence

India's population is growing too rapidly? Think again.

Back To Sifar • 99 implied HN points • 07 Apr 24
🌍 World Politics Population Growth
  1. India's population growth is slower than perceived, with the Total Fertility Rate (TFR) below replacement level, indicating a declining birth rate. This trend is expected to continue with further development.
  2. With decreasing birth rates, India faces the challenge of an aging population, leading to potential increases in death rates. The country's median age is rising rapidly compared to global averages.
  3. Despite being highly populated, India's net migration rate remains close to 0, indicating that migration is not a significant factor in the country's population dynamics. Population decline in India is projected to begin in the mid-2060s.
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What Homes Are Missing, again?

Erdmann Housing Tracker • 231 implied HN points • 03 Feb 25
💼 Business Population Growth
  1. There is a significant shortage of homes in the U.S., estimated at around 15 million. This is due to various factors like vacancies and the rising number of adults per home.
  2. Vacancies have dropped over the years, and we might be short about 5 million vacant units needed to keep rent inflation stable.
  3. Population growth has slowed since 2008 and has likely affected housing demand, which adds pressure to the existing housing shortage.

Overcoming Population Arguments to Living Longer

Extropic Thoughts • 117 implied HN points • 02 Jun 23
🔬 Science Population Growth
  1. Having more people is not inherently bad; each new person brings potential for creativity and productivity.
  2. Limiting lifespan extension to control population growth is ethically irresponsible and ineffective; focusing on reducing birth rates is a better approach.
  3. Global population growth is projected to slow and eventually decline due to various factors, including declining fertility rates and aging populations.

The African Century?

Surfing the Future • 39 implied HN points • 26 Feb 24
🌍 World Politics Population Growth
  1. Africa's population is projected to reach 40% of the world's population by 2100, having significant implications in various aspects.
  2. There's a generational shift happening in Africa as Baby Boomers recede, and younger generations come into power with different values and priorities.
  3. Despite potential migration desires, many young Africans want to stay in Africa to make a positive impact, potentially reshaping the continent's future.

New R-12 school, main street changes and more planned in Murray Bridge

Murray Bridge News • 39 implied HN points • 10 Jan 24
📰 News Population Growth
  1. Murray Bridge in Australia is preparing for significant population growth and planning major changes like new schools and street renovations.
  2. In the short term (zero to five years), there are plans to improve infrastructure like water sports parks, rezoning for development, and renovating the swimming pool.
  3. In the long term (10+ years), Murray Bridge is considering a new ring road, expanding Mobilong Prison, and space for up to 19,000 new homes as the population grows.

Drying Lakes, Drying Streams, Drying Rivers: Blame Climate Change for Drying Water Bodies

Adetokunbo Sees • 312 implied HN points • 07 Oct 23
🌞 Climate & Environment Population Growth
  1. Climate change plays a significant role in the drying up of lakes, streams, and rivers around the world.
  2. Human activities contribute to the water level decline in water bodies, along with climate change.
  3. As the world's population grows, the stress on water resources, migration, and conflicts due to drying water bodies could increase.

A slow tsunami

Model Thinking • 59 implied HN points • 11 Sep 22
🌍 World Politics Population Growth
  1. Critics of open borders argue about moving costs, either saying they are too high or too low, but over time, open borders can have a positive impact.
  2. Existing examples show that migration patterns can change gradually, with diaspora reducing migration costs over time.
  3. A model for open borders suggests that allowing migration can lead to population growth without negatively impacting the destination country's institutions, potentially lifting billions out of poverty.

Greed Counters Greed

Spud’s Substack • 2 HN points • 13 Jul 24
🌍 World Politics Population Growth
  1. Greed is seen as a primary force governing actions, like control of medical boards and warfare, including the existence of counterfeit currency.
  2. The human population's natural desire to grow conflicts with limited resources, resulting in poverty and societal challenges.
  3. The clash between the greed of powerful entities and the masses leads to societal inequalities and constant struggles.

Research Roundup

Erdmann Housing Tracker • 147 implied HN points • 05 Jun 23
💼 Business Population Growth
  1. Rising home prices are mostly from rising rents due to supply constraints
  2. Price/income ratio is a valuable indicator for evaluating housing supply elasticity
  3. Credit access and supply constraints play significant roles in home price changes

Lawler: New Census Population Estimates Show Massively Higher Population Growth

CalculatedRisk Newsletter • 33 implied HN points • 24 Dec 24
🇺🇸 U.S. Politics Population Growth
  1. The new Census estimates show that the U.S. population is growing much faster than before. This growth is mainly due to better counting of international migrants.
  2. Population growth from 2021 to 2024 is estimated to be over 3 million more than previous estimates. Most of this increase comes from net international migration.
  3. Revised population numbers can affect employment surveys, meaning we might see significant updates when the numbers are adjusted next year.

Building the Society We Want

Never Met a Science • 88 implied HN points • 26 Dec 23
🕹 Technology Population Growth
  1. Social media has greatly influenced society and its bans would bring rapid change.
  2. Technology developments must be considered with an understanding of values, tools, and actions in achieving societal goals.
  3. Lessons from historical movements like Romanticism and Ecology can guide discussions on technology and society today.

Human Timelines Should Be Log Scale

Outlandish Claims • 0 implied HN points • 29 May 24
🔬 Science Population Growth
  1. Human timelines should be represented on a log scale to reflect exponential population growth and changing human experiences over time.
  2. Our intuition about historical events can be misleading, and measuring time in person-years can be awkward and imprecise.
  3. Plotting time on a log scale can help visualize history more accurately and prepare us for potential challenges in the future, like understanding time in different relativistic reference frames.