Ability to understand scale

Question 1

What is the approximate current population of the earth?

Answer 1

8.1 billion

Question 2

Approximately how many years are projected for the planet to reach the next billion?

Answer 2

14 years

Question 3

In what countries/regions is the most population growth expected to occur?

Answer 3

More than half of global population growth between now and 2050 is expected to occur in Africa (Niger, Angola, Tanzania).

Question 4

In what countries/regions do you find sub-replacement birth rates?

Answer 4

Found in East Asia and Europe (South Korea, Japan, Germany, UK)

Question 5

US population (has sub-replacement birth rate)

Answer 5

341.9 million

Question 6

EU population (has sub-replacement birth rate)

Answer 6

449.2 million

Question 7

Mexico population (has sub-replacement birth rate)

Answer 7

129.4 million

Question 8

Russia population (has sub-replacement birth rate)

Answer 8

143.9 million

Question 9

China population (has sub-replacement birth rate)

Answer 9

1.4 billion

Question 10

Japan population (has sub-replacement birth rate)

Answer 10

122.5 million

Question 11

Canada population (has sub-replacement birth rate)

Answer 11

39.1 million

Question 12

Nigeria population

Answer 12

229.5 million

Question 13

India population (has sub-replacement birth rate)

Answer 13

1.4 billion

Question 14

Brazil population (has sub-replacement birth rate)

Answer 14

217.7 million

Question 15

Germany population (has sub-replacement birth rate)

Answer 15

83.2 million

Question 16

How large is the US budget?

Answer 16

4.8 trillion

Question 17

How large is the US debt?

Answer 17

35 trillion

Question 18

What country is the largest foreign holder of that debt?

Answer 18

Japan

Question 19

EU Nominal GDP 2024

Answer 19

$18.98 trillion

Question 20

US Nominal GDP 2024

Answer 20

$28.78 trillion

Question 21

Germany Nominal GDP 2024

Answer 21

$4.59 trillion

Question 22

China Nominal GDP 2024

Answer 22

$18.53 trillion

Question 23

Brazil Nominal GDP 2024

Answer 23

$2.33 trillion

Question 24

Mexico Nominal GDP 2024

Answer 24

$2.02 trillion

Question 25

Chad Nominal GDP 2024

Answer 25

$18.6 billion

Question 26

Saudi Arabia Nominal GDP 2024

Answer 26

$1.1 trillion

Question 27

What percentage of world nominal GDP does EU represent?

Answer 27

16%

Question 28

What percentage of world nominal GDP does US represent?

Answer 28

26%

Question 29

What percentage of world nominal GDP does Germany represent?

Answer 29

3.06%

Question 30

What percentage of world nominal GDP does China represent?

Answer 30

~15.9%

Question 31

What percentage of world nominal GDP does Brazil represent?

Answer 31

2.3-2.6%

Question 32

What percentage of world nominal GDP does Mexico represent?

Answer 32

1.85%

Question 33

What percentage of world nominal GDP does Chad represent?

Answer 33

0.03%

Question 34

What percentage of world nominal GDP does Saudi Arabia represent?

Answer 34

1.27%

Question 35

What is GDP and how is it measured?

Answer 35

Gross Domestic Product (GDP) is the monetary value of all goods and services produced within a country's borders over a specified period. It is measured by adding up consumption, investment, government spending, and net exports (exports minus imports), providing a key indicator of a country's economic health and productivity.

Question 36

Comparative GDP per capita of the EU 2024

Answer 36

$42,440

Question 37

Comparative GDP per capita of the US 2024

Answer 37

$85,373

Question 38

Comparative GDP per capita of Germany 2024

Answer 38

$42,965

Question 39

Comparative GDP per capita of China 2024

Answer 39

$12,758

Question 40

Comparative GDP per capita of Brazil 2024

Answer 40

$11,352

Question 41

Comparative GDP per capita of Mexico 2024

Answer 41

$10,637

Question 42

Comparative GDP per capita of Chad 2024

Answer 42

$1,459

Question 43

Comparative GDP per capita of Saudi Arabia 2024

Answer 43

$21,930

Question 44

What percentage of the US budget is spent on defense? Total amount of $?

Answer 44

13.3% $820.3 billion

Question 45

What percentage of the US budget is spent on foreign aid? Total amount of $?

Answer 45

1% $70.4 billion

Question 46

About how many people live on less than $2 per day in the world?

Answer 46

~712 million