This presentation covers much of topic 8.1 (4 of 6 Understanding points).
U8.1.1 Demographic tools (CBR, CDR, TFR, DT, NIR).
U8.1.2 Uncertainty exists in predicting changes in future global human population growth.
U8.1.3 Human population growth increases stress on all of Earth’s systems.
U8.1.4 Age–gender pyramids and DTM models can be useful in predicting human population growth
It discusses weaknesses with each tool and models.
Contains links to dynamic world population counters and age-gend