Population Dynamics
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/39
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai | Chat |
|---|
No analytics yet
Send a link to your students to track their progress
40 Terms
What is the Natural Increase Rate?
The difference between annual births and deaths
What is the NIR formula?
CBR-CDR
What was India’s CDR and CBR in 2023?
CDR=7:1000, CBR=16:1000
What countries have very high NIRs due to high TFRs?
DRC, Madagascar, Iraq, and Palestine
What is the formula for NIR?
70/NIR
When calculating doubling time, do we use the true NIR or the percentage?
Percentage
The doubling time from 0.25 to 0.5 was…
697 years
How long did it take for the population to double from 0.35 billion to 0.7 billion?
594 years
How long did it tke for the population to double from 0.5 billion to 1 billion?
260 years
How long did it take for the world population to double from 1 billion to 2 billion?
125 years
How long did it take for the population to double from 1.5 billion to 3 billion?
76 years
How long did it take for the world population to double from 2 billion to 4 billion?
47 years
How long did it take for the world population to double from 2.5 billion to 5 billion?
37 years
How long did it take for the world population to double from 4 billion to 8 billion?
48
How long is it ESTIMATED to take for the world population to double from 5 billion to 10 billion?
70 years
How long is it ESTIMATED to take for the population to double from 5.4 billion to 10.8 billion?
109 years
What was the world population in 837?
0.25 billion
What was the world population in 1534?
0.5 billion
When did the world population reach 0.75 billion?
1737
When did the world population reach 1 billion?
1803
When did the world population reach 2 billion?
1928
When did the world population reach 3 billion?
1960
When did the world population reach 4 billion?
1975
WHen did the world population reach 5 billion?
1987
When did the world population reach 8 billion?
2023
When will the world population likely reach 10 billion?
2057
What is the estimated world population in 2100?
10.8 billion
Net migration is normally measured how often?
Annually
From 2024 to 2025, what was Australia’s number of immigrants and emigrants?
Immigrants=568,000; emigrants=263,000
What is the net migration rate?
Net migration per 1,000 people
How would one calculate the net migration rate?
Divide the net migration by the mid-year population
What was Australia’s population June 2024?
27,000,000
What was Australia’s net migration rate 2024-25?
11:1,000
How many countries are in Oceania?
14
During the Irish Potato Famine, where did many Irish immigrate to?
North America, Australia, and Europe
What is another name for forced migration?
Involuntary migration
Many Palestinians are emigrating to…
Egypt and Jordan
What are the 4 extents of migration?
International, Intranational (or internal), Interregional, or Intraregional
What is the U.S. 2020 growth rate with and without migration?
With: ~0.6%, without:~0.35%
What was the ONLY year in which the U.S. growth rate was higher with no migration?
1950