Changes in Earths population

123456
Across
  1. 1. immigrates per annum
  2. 4. Million people live in Canada
  3. 5. billion barrels of oil have been extracted from earth
  4. 6. emigrated from Canada to another place between 2000 and 2020
Down
  1. 1. people have died in a year
  2. 2. lives have been born every year
  3. 3. billion people in the world
  4. 5. cities in Canada