The three "groups" of people that a population pyramid shows.
Universal health care, availability of jobs, peaceful, good climate
Pull Factors
The main characteristics of the third stage of the DTM. (There should be 3)
Stable/slow decline of Birth Rates, Declining Death Rates, Population growth begins to slow.
This pyramid shows this type of growth
Rapid Growth
Bonus: what stage of the DTM is this country?
Three of the top five most populated countries in the world
China, India, United States, Indonesia, Brazil
Push Factors
The total population divided by the land area
Arithmetic Density
Seen here... is a population pyramid of Scotland, which is in this stage of the demographic transition model. 
Stage 3, (Low birth rates, low death rates, lower natural increase)
The total number of live births in a year for every 1000 people alive.
Crude Birth Rate
Someone who is fleeing from armed conflict and travels to a country for safety is seeking this
Asylum
This pyramid shows this type of growth.
Negative growth
Bonus - what stage of the DTM is this country?
Better hygiene and sanitation practices would lead to a decrease in this rate
Death Rate
Cousin Fred said that this place was great to live.
Chain Migration or Familial Migration
Having a high rate of this means there is a large portion of children younger than 1 dying due to illness, disease or hunger.
Infant mortality

The most likely cause of death in a country that is in Stage 4 or 5
Degenerative diseases due to old age and lifestyle
This population pyramid shows which phenomenon
Guest Workers or Gender Imbalance
Countries that have a relatively young population age structure would be found in this type of developed country
Less Developed Countries
This was the most prominent type of migration in the 19th and 20th centuries
Rural to Urban