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  2. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    The smallest meaningful increment of time is the Planck time―the time light takes to traverse the Planck distance, many decimal orders of magnitude smaller than a second. [ 1 ] The largest realized amount of time, based on known scientific data, is the age of the universe , about 13.8 billion years—the time since the Big Bang as measured in ...

  3. 1,000,000,000 - Wikipedia

    en.wikipedia.org/wiki/1,000,000,000

    10 9 seconds (1 gigasecond) equal 11,574 days, 1 hour, 46 minutes and 40 seconds (approximately 31.7 years, or 31 years, 8 months, 8 days).; About 10 9 minutes ago, the Roman Empire was flourishing and Christianity was emerging.

  4. Jin (mass) - Wikipedia

    en.wikipedia.org/wiki/Jin_(mass)

    A spring scale in Hong Kong shows conversions between metric system (in red), traditional Chinese unit (in green) and British Imperial Units (in blue). Jin (Chinese: 斤; pinyin: jīn), or gan in Cantonese, kin in Taiwanese and Japanese, also called "Chinese pound" or "catty", [a] is a traditional Chinese unit for weight measurement in East Asia.

  5. List of sovereign states by tax revenue to GDP ratio

    en.wikipedia.org/wiki/List_of_sovereign_states...

    Legal tax avoidance; Base erosion and profit shifting (BEPS) . Double Irish. Single Malt; CAIA; Dutch Sandwich; Tax credit; Tax deduction; Tax exemption; Taxpayer groups; Tax holiday

  6. List of countries by dependency ratio - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    The total dependency ratio is the total numbers of the children (ages 0–14) and elderly (ages 65+) populations per 100 people of adults (ages 15–64). A high total dependency ratio indicates that the adult population and the overall economy face a greater burden to support and provide social services for youth and elderly persons, who are often economically dependent.

  7. United States drug overdose death rates and totals over time

    en.wikipedia.org/wiki/United_States_drug...

    Drug overdose deaths in the US per 100,000 people by state. [1] [2] A two milligram dose of fentanyl powder (on pencil tip) is a lethal amount for most people.[3]The United States Centers for Disease Control and Prevention (CDC) has data on drug overdose death rates and totals.

  8. List of African countries by life expectancy - Wikipedia

    en.wikipedia.org/wiki/List_of_African_countries...

    Estimation of the World Bank Group for 2022. [2] [3] [4] The data is filtered according to the list of countries in Africa.The values in the World Bank Group tables are rounded.

  9. Demographics of the United States - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_the_United...

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