

This article is an excerpt from the Shortform book guide to "Enlightenment Now" by Steven Pinker. Shortform has the world's best summaries and analyses of books you should be reading.
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Is the world getting better or worse? What does the data actually say? Is there cause for hope?
In Enlightenment Now, Steven Pinker argues that Enlightenment values and modernization have contributed to gradually improving the world on “every single measure of human well-being.” He says people tend to think the world is getting worse because of psychological biases and errors in perception, but the data supports the conclusion that life for humans everywhere is getting better.
Keep reading for an overview of Pinker’s New York Times best seller.
Enlightenment Now by Steven Pinker
In Enlightenment Now, Steven Pinker explains why our perceptions of a worsening world are wrong and provides statistics to challenge those misconceptions. Through presenting data on such factors as health, wealth, equality, human rights, happiness, peace, and freedom (among other measures), he explains how The Enlightenment’s key ideas of reason, science, and humanism are the driving forces behind progress in all these areas.
Pinker is a professor of psychology at Harvard University. This book, published in 2018, follows The Better Angels of Our Nature, which examined questions around peace and violence, arguing that the world has gotten consistently more peaceful over time. Pinker has gained a wide following—in 2004 he was named one of “The 100 Most Influential People in the World Today” by Time magazine, and his TED Talk presenting a synopsis of Enlightenment Now has been viewed over 4 million times.
We’ll first explain what Enlightenment values are and where they come from, as well as what some of the prominent anti-Enlightenment positions are. We’ll then discuss Pinker’s definition of “progress,” and his explanation for why we tend to mistakenly think things are getting worse when they’re actually getting better.
Finally, we’ll delve into the data Pinker presents to support his argument that the world is improving everywhere, on all measures, due to the ongoing impact of Enlightenment thinking. We’ve reorganized Pinker’s measures of progress into three categories of well-being: human, societal, and environmental.
What Are Enlightenment Values?
The Age of Enlightenment refers to a historical period in the 17th and 18th centuries when European intellectuals and philosophers were concerned with re-thinking social values and moving toward a more “progressive” vision for humanity. This included thinking about the most rational ways to go about organizing and governing society to maximize human well-being, including discussions of freedom, equality, and empirical truth.
The major theme tying all Enlightenment thinking together is reason. But, according to Pinker, Enlightenment also implies science, humanism, and progress:
Reason: Pinker contrasts reason with religious faith and dogma, on which he says most pre-Enlightenment thinking was based. It’s crucial to think through our beliefs, values, and social policies in a rational and logical way, rather than relying on feelings, intuition, or religious texts.
Science: When we apply scientific methods to our beliefs, Pinker says, we can prove or disprove them. Therefore, he argues, the scientific method is necessary to generate knowledge that is reliable.
Humanism: The Enlightenment is fundamentally associated with humanism, a system of thought that prioritizes the good of humanity over any divine or supernatural concerns. Pinker argues that humanism provides a secular basis for morality.
Progress: Pinker defines progress as using reason, science, and humanism to better conditions for all of humanity. He argues that progress is made by making changes in social institutions like laws and educational systems, not by trying to change anything in human nature.
Anti-Enlightenment Positions
Pinker identifies four anti-Enlightenment positions, which he sees as stalling the progress of humanity.
Religion: Pinker sees religion as the most obvious of the anti-Enlightenment forces because belief in anything based on faith is inherently in conflict with belief based on reason and science.
Anti-scientism: Often overlapping with religious approaches, anti-science stances claim that science is just another “narrative” or myth. Pinker argues that continued scientific progress is essential for human progress, so anything that impedes science will necessarily stall human progress.
Tribalism: Pinker defines tribalism as allegiance to a group and prioritizing that group above the individual. He argues that the idea that the good of the group matters more than the good of individuals is essentially counter to humanism.
Declinism: Pinker defines declinism as the belief that the modern world is declining in stability and on the verge of collapse. These ideas impede progress, Pinker explains, because they create a culture of pessimism and anti-technology sentiment.
What Is Progress?
The word “improve” implies a value judgment and is therefore subjective. Who decides what’s better? Some measures of “improvement” are not obviously universally “better.” For example, the claim that wealth is inherently better than poverty can be challenged by pointing out that a person who is poor but happy is better off than a person who is wealthy but miserable.
Pinker argues that, to solve the dilemmas we face in the modern world, we simply need to push forward with reason, science, and humanism. He argues that people today who don’t think life is all-around better than it was for humans in the past suffer from two problems:
- They have distorted perceptions of the world, due to biases in what they see and how they think.
- They’re ungrateful for what they have because they’re so disconnected from the unpleasant reality of what life in past societies was like.
Is the World Getting Better or Worse?
Pinker’s major goal in this book is to counter the widespread belief that the world is getting worse by showing data that indicates it’s actually improving on many measures. But, why do people think things are so bad if they’re not? Pinker explains that this happens for a few intersecting reasons: media slant, cognitive biases, and ingratitude.
Media slant: Pinker explains that we tend to believe our societies are worse than they are because the media focus on negative news. But we must ask whether more negative things have actually been happening or whether news outlets are becoming more negative in what they focus on and how. Pinker says a look at the data clearly shows it’s the latter.
Cognitive biases: Pinker describes three cognitive biases that are at work in our brains, influencing us to think things in the world are getting worse.
- Availability bias: Pinker says that, when we estimate how likely something is to happen, things that come most readily to mind will seem more likely than those that don’t. And he says events or ideas that are sensationalized tend to stick in our minds.
- Negativity bias: Another bias that’s built into our brains, Pinker says, is a general bias toward negativity.
- Nostalgia: Pinker points out one exception to the negativity bias, and that’s in regard to memories of the past. He says we also have a cognitive bias for nostalgia, meaning we tend to remember events of the past as more positive than they were. Related to this, Pinker argues that people who don’t appreciate the positive contributions of modernity to life are simply ungrateful because they don’t realize how much worse life was for people in the past. They’re romanticizing the past.
Recognizing the media slant and our cognitive biases should enable us to intellectually challenge and correct our assumptions. Pinker says that the solution is to count—when we look at the data, we can no longer deny that things are getting better.

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Here's what you'll find in our full Enlightenment Now summary:
- How the world is actually getting better, not worse, over time
- Why people think the world is worse off than it is
- What Enlightenment values are and where they come from