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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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TThe line graph illustrates the proportion of people in New Zealand across four different age groups from 1950 to 2050.
Overall, the percentage of those aged over 65 experienced a steady upward trend over the whole period, while the proportion of those aged 25-37 is expected to decline significantly. However, the percentage of people aged 38-45 peaked around 1990 before falling and then stabilising, whereas the figure for the 0-14 age group is forecast to increase gradually.
In detail, the proportion of New Zealanders over 65 started at around 5% in 1950 and then rose slightly before increasing significantly after 2000, reaching a peak of about 20% by 2050. By contrast, the figure for the 25-37 age group witnessed a steady decline, falling from roughly 20% in 1950 to below 5% by the end of the period.
Meanwhile, the percentage of people aged 38-45 saw a significant increase from around 25% in 1950 doubled nearly 50% in 1990. After that, it decreased and remained unchanged at about 40% from 2000 onwards. Finally, the youngest age group (0-14) remained relatively stable at around 5% for most of the period but then climbed gradually, reaching around 20% by 2050.
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