Eg: 2 Brand new offered range chart provides details about alterations in birth and you may passing rates for the New Zealand anywhere between 1901 and 2101.

Answer: The range graph lines this new trajectory regarding delivery and you will passing costs into the The latest Zealand of 1901 and you may programs trends as much as 2101. Very first, this new beginning speed is considerably higher than new death rates, delivery in the 20,000 in 1901 and you will peaking close 65,000 from inside the 1961. Pursuing the level, beginning prices have experienced ups and downs however, remained inside the 50,000 to help you sixty,000 range. A notable decrease in births is anticipated, losing to help you on 42,000 by the 2101.