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The image presents a line graph indicating population growth by age groups in New Zealand from 1950 to 2050; the age groups are 0-14, 25-37, 36-45, and over 65. In 1950, percentages for age groups were as follows: 0-14 at 45%, 25-37 at 25%, 36-45 at 20%, and over 65 at 10%. In 1960, 0-14 rose to 50%, 25-37 dropped to 20%, 36-45 remained at 20%, and over 65 increased to 15%. By 1970, all groups except 36-45 increased by 5% each, but by 1980, 0-14 declined to 40%, 25-37 grew to 30%, 36-45 stayed at 25%, and over 65 reached 20%. By 1990, 0-14 dropped to 35%, 25-37 slightly grew to 35%, 36-45 maintained at 20%, and over 65 rose to 25%. In 2000, 0-14 went down to 30%, 25-37 shrunk to 30%, 36-45 increased to 30%, and over 65 remained at 25%. In 2010, 0-14 further decreased to 25%, 25-37 went up to 40%, 36-45 slightly rose to 35%, and over 65 fell to 20%. The forecast for 2020 anticipates 0-14 at 20%, 25-37 at 45%, 36-45 at 40%, and over 65 at 30%. By 2030, 0-14 is expected to continue at 20%, 25-37 at 55%, and 36-45 at 40%, with over 65 projected to hit 35%. In 2040, predictions suggest 0-14 remaining at 20%, 25-37 peaking at 60%, 36-45 staying at 40%, and over 65 climbing to 45%. Lastly, the 2050 outlook projects 0-14 at 20%, 25-37 reducing to 55%, 36-45 maintaining at 35%, and over 65 surging to 50%.
Given the complexity of the image, the above description may not be entirely accurate.
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The line graph illustrates the population growth in New Zealand between 1950 and 2050.
Overall, it can be seen that the proportion of people, being 25-37 and over 65 years old, had the downward trend from 1950 to 2020, while the opposite was true for that of 0-14 and 38-45 aging group. In addition, these trends are predicted to remain stabled in the future until 2050.
In 1950, the population of those over 65 years old started at 60%, which followed by a gradually increase and reached the peak in 1990 (nearly 70%). In addition, there is an steady decline that is forecasted in the number of that in the future (approximately 50% in 2050). In contrast, the figure for 0-14 age group started at roughly 10% and decreased to the low rate in 1990 (about 2%). However, this number inclined significantly to 10% in 2020 and will continue rising to 20% in 2050, according to the forecast.
looking at the line graph in more detail, the figures for population in 25-37 and 28-45 years old started at the same number in 1950 and grew slightly to nearly 30% in 1960. However, 38-45 age group continued jumping to 45% in 1990 and are predicted to make up roughly 40% in 2050, while the other dropped dramatically to 5% in 2020 and will reach to the bottom in 2050 (around 0%).
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