世界人口有多少用英语怎么说

世界人口数量用英语表达为 "world population." 来源是由英语单词 "world" 和 "population" 组合而成。

例句1:
"According to the United Nations, the world population is projected to reach 9.7 billion by 2050."
翻译：根据联合国的数据，预计到2050年世界人口将达到97亿。

例句2:
"Overpopulation is becoming a major concern as the world population continues to grow."
翻译：随着世界人口持续增长，人口过剩正成为一个主要关注点。

例句3:
"The world population is currently over 7 billion people."
翻译：目前世界人口超过70亿人。