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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 given line chart depicts the proportion of different ages in New Zealand between 1950 and 2050.
In general, there was an increase in the percentage of 0-14 years old and 38-45 years old, while a considerable decline was seen for 25-37 years old and over 65 years old. The number of people age over 65 years old make up the largest percentage throughout the period, while the figure for 0-14 years old seem to occupy the least percentage.
To begin with, upward of 60% people aged over 65 in 1950 in New Zealand, with a gradual rise to exactly 70% in 1990 and are expected to drop around 55% after 60 years. In a lesser extent, the number of people aged 38-45 years old also see dramatic change from around 25% in 1950 to approximately 50% in 1990, before being anticipated to decrease to 40% in 2050.
Regarding people from 25-37 years old, this figure was likely to decline from roughly 20% in 1950 to 10% in 1990, before its expectation to reach a trough of nearly 0% at the end of the period. Starting with lower extent, the figure for 0-14 years old saw slight decrease in the first 40 years, before it is expected to rise sharply to precisely 20% in 2050, which overtake the percentage of people ranging from 25-37 years old during the time frame.
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