Life expectancy is half of what it is today.

平均寿只有今天的一半。

The average lifespan in the US is 79.

美国的平均寿79岁。

And they say the average lifespan for a butterfly is two weeks.

他们说蝴蝶的平均寿周。

Why are we losing years of our lives?

为什我们的平均寿减少了呢？

Why do the Japanese have such a long life expectancy?

为什日本人的平均寿如此之长？

Global life expectancy in 1950 was 46 years. By 2019, it had risen to 73 years.

1950年，全球平均寿为46岁。而到2019年，全球平均寿至73岁。

The average life expectancy for a Rottweiler is somewhere between 7 and 10 years.

罗威纳犬的平均寿在7到10年之间。

So, how do our on average longer lives affect the economy?

那，我们的平均寿延长如何影响经济呢？

However, where you're born determines your life expectancy.

然而，不同地区的平均寿有区别的。

Blue zones are areas of the world where people live longer than the average lifespan.

生活在蓝色区域人们的平均寿超过世界其他地区。

That's over 10 years longer than it is today.

比今日的平均寿多了 10 岁以上。

In the early 1900s, humans only lived an average of 50 years.

早在20世纪初，人类平均寿仅仅50岁。

Winners, on average live 4 years longer than their losing peers.

胜利者的平均寿比失败者长4年。

In 2021, life expectancy for the least developed countries lagged 7 years behind the global average.

2021 年，最不发达国家的平均寿较全球平均寿少 7 年。

In the agriculture period, average age is like a 30, 35 years old.

农业时代，人类的平均寿大约在30～35岁。

The average life of a Japanese cherry tree is between 30 and 40 years.

日本樱花树的平均寿在30到40年之间。

For reference, the average lifespan of a rabbit is between three and 12 years.

作为参考，一只兔子的平均寿在3到12年之间。

In 1900, it was just over 47 years.

而1900年，美国人的平均寿才47岁多一点。

Their findings suggest that by 2030 people will be living longer.

研究结果表明，到2030年，人们的平均寿将会延长。

If you're in Japan, it's 83.

如果你日本人，平均寿 83 岁。