natural growth of the population
简明释义
人口自然增长
英英释义
例句
1.In rural areas, the natural growth of the population is often higher than in cities due to larger families.
在农村地区,由于家庭较大,自然人口增长通常高于城市。
2.Demographers analyze the natural growth of the population to predict future trends in migration.
人口统计学家分析自然人口增长以预测未来迁移趋势。
3.Studies show that the natural growth of the population has slowed down in many developed countries.
研究表明,在许多发达国家,自然人口增长已经放缓。
4.The government is concerned about the natural growth of the population in urban areas, as it can lead to overcrowding.
政府担心城市地区的自然人口增长,因为这可能导致过度拥挤。
5.The natural growth of the population is an important factor in planning for future infrastructure needs.
在规划未来基础设施需求时,自然人口增长是一个重要因素。
作文
The concept of natural growth of the population refers to the increase in the number of individuals in a given population due to births and deaths, without considering migration. This phenomenon is particularly significant in understanding demographic trends that affect various aspects of society, including economic development, healthcare, and education. In recent years, many countries have experienced fluctuations in their natural growth of the population, leading to discussions on how these changes impact social structures and resource allocation.To better grasp the implications of the natural growth of the population, it is essential to explore its components: birth rates and death rates. The birth rate is the number of live births per thousand people in a year, while the death rate is the number of deaths per thousand people in a year. When the birth rate exceeds the death rate, a population experiences positive natural growth of the population. Conversely, if the death rate surpasses the birth rate, the population declines. For example, in many developing nations, high birth rates contribute to a youthful population, which can lead to increased labor supply and economic growth. However, this can also strain resources such as education and healthcare, as governments struggle to provide for the needs of a rapidly growing populace. On the other hand, developed countries often face low birth rates and aging populations, resulting in negative natural growth of the population. This scenario raises concerns about workforce shortages and the sustainability of social welfare systems.Moreover, the natural growth of the population is influenced by various factors including cultural norms, economic conditions, and government policies. For instance, in societies where large families are valued, higher birth rates may be observed. Conversely, in urbanized areas with a focus on career advancement, couples may choose to have fewer children, leading to lower birth rates. Additionally, government initiatives aimed at family planning and reproductive health can significantly affect the natural growth of the population.Understanding the natural growth of the population also aids in addressing global challenges such as climate change, food security, and urbanization. As populations grow, the demand for resources increases, potentially leading to environmental degradation. Policymakers must consider these dynamics when planning for sustainable development. For instance, cities experiencing rapid population growth may need to invest in infrastructure, public transportation, and housing to accommodate the influx of residents.In conclusion, the natural growth of the population is a crucial aspect of demographic studies that has far-reaching implications for society. By examining the factors that contribute to this growth, we can better understand the challenges and opportunities that arise from changing population dynamics. Whether through encouraging sustainable practices or adapting to an aging population, recognizing the significance of the natural growth of the population is essential for fostering a balanced and prosperous future for all communities.
“自然人口增长”这一概念是指在不考虑迁移的情况下,由于出生和死亡而导致的特定人口中个体数量的增加。这个现象在理解影响社会各个方面的人口趋势时尤为重要,包括经济发展、医疗保健和教育。近年来,许多国家经历了其“自然人口增长”的波动,这引发了关于这些变化如何影响社会结构和资源分配的讨论。为了更好地理解“自然人口增长”的含义,有必要探讨其组成部分:出生率和死亡率。出生率是指每千人中每年活产的数量,而死亡率是指每千人中每年死亡的数量。当出生率超过死亡率时,人口经历积极的“自然人口增长”。相反,如果死亡率超过出生率,人口则会下降。例如,在许多发展中国家,高出生率促成了年轻人口的形成,这可能导致劳动力供给增加和经济增长。然而,这也可能加重教育和医疗等资源的压力,因为政府努力满足快速增长的人口的需求。另一方面,发达国家通常面临低出生率和老龄化人口的问题,导致“自然人口增长”呈负增长。这种情况引发了对劳动力短缺和社会福利体系可持续性的担忧。此外,“自然人口增长”受到文化规范、经济条件和政府政策等多种因素的影响。例如,在重视大家庭的社会中,可能会观察到较高的出生率。相反,在注重职业发展的城市地区,夫妇可能选择生育较少的孩子,从而导致出生率降低。此外,旨在家庭计划和生殖健康的政府倡议可以显著影响“自然人口增长”。理解“自然人口增长”还有助于应对气候变化、粮食安全和城市化等全球挑战。随着人口的增长,对资源的需求增加,可能导致环境退化。政策制定者在规划可持续发展时必须考虑这些动态。例如,经历快速人口增长的城市可能需要投资基础设施、公共交通和住房,以适应居民的涌入。总之,“自然人口增长”是人口研究中一个至关重要的方面,对社会有深远的影响。通过考察促成这种增长的因素,我们可以更好地理解人口动态变化所带来的挑战和机遇。无论是通过鼓励可持续实践,还是适应老龄化人口,认识到“自然人口增长”的重要性对于促进所有社区的平衡与繁荣的未来至关重要。
相关单词