Verabrede dich zum Casen über das Meeting-Board, nimm an Diskussionen in unserem Consulting Q&A teil und finde gleichgesinnte Interview-Partner:innen, um dich auszutauschen und gemeinsam zu üben!
Zurück zur Übersicht

How many humans were born since beginning of humanity?

How would you solve this one?

2
6,7k
42
Schreibe die erste Antwort!
Bisher hat niemand auf diese Frage reagiert.
Beste Antwort
am 18. Apr. 2016

One proposed approach

1. Define when the humanity began, how long ago. 

2. Divide the period between when the humanity began until today in more periods based on the total population, assuming each period had a constant total population. (here you should mainly pay attention to what happened after the middle ages, before that it doesn't really mater for the final result because the world total population was much much smaller than until the middle ages)

3. For each period determine the average life expectancy. 

4. Having the average life expectancy use the replacement principle to get how many people were born within that period.

5. Sum up results from every period. 

Any comment or another method is welcomed. ​

Stefan

2
am 4. Mai 2016

Great analysis! Except for one minor problem, I think the global population burst since the discovery of antibiotics, which is around 1940s. I assume the change after middle ages is not that substancial compared to what happened after 1940s.

0
Ähnliche Fragen
Consulting
McKinsey Case Interview
am 27. Juli 2024
Global
7
2,6k
Beste Antwort von
Anonym
39
7 Antworten
2,6k Aufrufe
+4
Consulting
Revolut Problem Solving interview
am 20. Juni 2025
Global
5
100+
Beste Antwort von
Alessa
Coach
xMcKinsey & Company | xBCG | xRB | >400 coachings | feel free to schedule an intro call for free
7
5 Antworten
100+ Aufrufe
+2
Consulting
R2 Experience
am 28. Juni 2025
Global
8
100+
Beste Antwort von
#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success: ➡ interviewoffers.com | Ex BCG | 10Y+ Coaching
6
8 Antworten
100+ Aufrufe
+5