Datastream
How Genetically Similar Are We To Other Life Forms?
The Briefing
- Chimps are 98.8% genetically similar, making them one of our closest relatives in the animal kingdom
- The genetic similarity between humans and fruit flies is 60%
Comparing Human Genetic Similarity to Other Life Forms
Of the three billion genetic building blocks that make us living things, only a handful are uniquely ours. In fact, despite our differences on the outside, humans are 99.9% genetically similar to one another.
But how alike are we to other, non-human life forms? Turns out, we’re a lot more similar than you might think.
Comparative Genomics 101
First, how do scientists compare the genetic makeup of various life forms?
Comparative genomics is a branch of biology that compares genome sequences across different species to identify their similarities and differences.
This field of research is important because it:
- Helps us better understand evolution, and how living things have adapted over time.
- Builds knowledge around genes and how they influence various systems in our bodies.
- Has wider applications in agriculture, especially in conservation efforts among endangered species.
According to the National Human Genome Research Institute (NHGRI), scientists have already sequenced the genomes of more than 250 animal species, as well as 50 bird species.
Human Genetic Makeup vs. Other Life Forms
Perhaps unsurprisingly, chimps are one of our closest genetic relatives in the animal kingdom.
Because of our similarities, chimpanzees have a similar immune system to humans, which means they’re susceptible to viruses such as AIDS and hepatitis.
Though chimps are one of our closest relatives, other species are strongly linked to humans as well—and not necessarily the ones you’d think.
Category | Genetic Similarity |
---|---|
Humans and Humans | 99.9% |
Humans and Chimps | 98.8% |
Humans and Dogs | 94% |
Humans and Cats | 90% |
Humans and Cows | 80% |
Humans and Fruit Flies | 60% |
Humans and Bananas | 60% |
For instance, according to NHGRI, fruit flies are 60% genetically similar to humans.
This may sound confusing at first, since humans and insects couldn’t be more physically different. However, because we share many of the same essential needs to sustain life, such as the need for oxygen, these similarities are reflected in our genetics.
DNA vs Genes
It’s important to note that being genetically similar to something is different than sharing the same DNA. That’s because genes (the part of DNA responsible for making protein) only account for up to 2% of your DNA, while the rest of your genome is made up of what scientists call “non-coding DNA.”
So while a banana is 60% genetically similar to humans, only 1.2% of our DNA is shared.
» Like this? Then check out this article on Earth’s Biomass
Where does this data come from?
Sources: National Human Genome Research Institute, Genome Research, Science Magazine
Details:: This post was inspired by an article published in Business Insider
Central Banks
Charted: Public Trust in the Federal Reserve
Public trust in the Federal Reserve chair has hit its lowest point in 20 years. Get the details in this infographic.

The Briefing
- Gallup conducts an annual poll to gauge the U.S. public’s trust in the Federal Reserve
- After rising during the COVID-19 pandemic, public trust has fallen to a 20-year low
Charted: Public Trust in the Federal Reserve
Each year, Gallup conducts a survey of American adults on various economic topics, including the country’s central bank, the Federal Reserve.
More specifically, respondents are asked how much confidence they have in the current Fed chairman to do or recommend the right thing for the U.S. economy. We’ve visualized these results from 2001 to 2023 to see how confidence levels have changed over time.
Methodology and Results
The data used in this infographic is also listed in the table below. Percentages reflect the share of respondents that have either a “great deal” or “fair amount” of confidence.
Year | Fed chair | % Great deal or Fair amount |
---|---|---|
2023 | Jerome Powell | 36% |
2022 | Jerome Powell | 43% |
2021 | Jerome Powell | 55% |
2020 | Jerome Powell | 58% |
2019 | Jerome Powell | 50% |
2018 | Jerome Powell | 45% |
2017 | Janet Yellen | 45% |
2016 | Janet Yellen | 38% |
2015 | Janet Yellen | 42% |
2014 | Janet Yellen | 37% |
2013 | Ben Bernanke | 42% |
2012 | Ben Bernanke | 39% |
2011 | Ben Bernanke | 41% |
2010 | Ben Bernanke | 44% |
2009 | Ben Bernanke | 49% |
2008 | Ben Bernanke | 47% |
2007 | Ben Bernanke | 50% |
2006 | Ben Bernanke | 41% |
2005 | Alan Greenspan | 56% |
2004 | Alan Greenspan | 61% |
2003 | Alan Greenspan | 65% |
2002 | Alan Greenspan | 69% |
2001 | Alan Greenspan | 74% |
Data for 2023 collected April 3-25, with this statement put to respondents: “Please tell me how much confidence you have [in the Fed chair] to recommend the right thing for the economy.”
We can see that trust in the Federal Reserve has fluctuated significantly in recent years.
For example, under Alan Greenspan, trust was initially high due to the relative stability of the economy. The burst of the dotcom bubble—which some attribute to Greenspan’s easy credit policies—resulted in a sharp decline.
On the flip side, public confidence spiked during the COVID-19 pandemic. This was likely due to Jerome Powell’s decisive actions to provide support to the U.S. economy throughout the crisis.
Measures implemented by the Fed include bringing interest rates to near zero, quantitative easing (buying government bonds with newly-printed money), and emergency lending programs to businesses.
Confidence Now on the Decline
After peaking at 58%, those with a “great deal” or “fair amount” of trust in the Fed chair have tumbled to 36%, the lowest number in 20 years.
This is likely due to Powell’s hard stance on fighting post-pandemic inflation, which has involved raising interest rates at an incredible speed. While these rate hikes may be necessary, they also have many adverse effects:
- Negative impact on the stock market
- Increases the burden for those with variable-rate debts
- Makes mortgages and home buying less affordable
Higher rates have also prompted many U.S. tech companies to shrink their workforces, and have been a factor in the regional banking crisis, including the collapse of Silicon Valley Bank.
Where does this data come from?
Source: Gallup (2023)
Data Notes: Results are based on telephone interviews conducted April 3-25, 2023, with a random sample of –1,013—adults, ages 18+, living in all 50 U.S. states and the District of Columbia. For results based on this sample of national adults, the margin of sampling error is ±4 percentage points at the 95% confidence level. See source for details.
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