as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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find two pieces of data related to the global population.
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1. according to the united nations, the global population is estimated to reach 8.5 billion in 2030. 
2. according to the world bank, the global population grew from 2.5 billion in 1950 to 7.5 billion in 2018.
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