@Sheril Alt text: Image of hourglass:
Each grain of sand in this visualization
represents 10 million people.
[Top of hourglass] 140 million children are born every year. 14 grains of sand enter the hourglass.
You are here. These 795 grains represent the 7.95 billion people who are alive today.
[Bottom of hourglass] 60 million people die every year. 6 grains of sand pass through the hourglass.
About 109 billion people have lived and died. 10.900 grains of sand.
1/2
@Sheril (Alt text, cont.)
[Bottom of hourglass] About half the people who ever lived
lived in the last 2000 years.
- [Arrow, about half-way to the bottom] Socrates, who was killed in
399 BCE. lies about here.
- [Arrow, about one third from the bottom] Half of the dead bodies here
- [Arrow, almost at the bottom] The first agriculturalists lie here.
Only about 9 billion people lived before
the Agricultural Revolution.
2/2
@Sheril (Alt text, cont.)
[Bottom of hourglass] About half the people who ever lived
lived in the last 2000 years.
- [Arrow, about half-way to the bottom] Socrates, who was killed in
399 BCE. lies about here.
- [Arrow, about one third from the bottom] Half of the dead bodies here
- [Arrow, almost at the bottom] The first agriculturalists lie here.