Comprehensive Understanding of Demographic Transitions

Elif Feyza Dinç
6 min readMay 1, 2024

The traditional demographic transition theory (DTT) serves as a foundational framework for understanding population dynamics in the context of industrialization. During industrial development, populations experience high fertility rates initially, followed by a decline as mortality decreases due to technological advancements. Notestein’s formulation of demographic transition theory in 1944–1945 viewed fertility behavior as deeply rooted in cultural norms, suggesting that significant changes would require comprehensive modernization (Szreter, 1993; 667). However, over time, he shifted towards advocating proactive birth control policies to address population growth, acknowledging the potential for modifying fertility behavior within agrarian societies (Szreter, 1993; 672). This evolution was influenced by his observations, including a trip to East and Southeast Asia in 1948, where he recognized the importance of integrating family planning into early development efforts to prevent population growth from undermining economic progress (Szreter, 1993; 677).

Nonetheless, DTT is criticized by Szreter due to its tendency to adopt a deductivist approach, assuming a linear progression and idealized demographic outcomes. Hence, he suggests a realist approach that acknowledges the context-specific factors (Szreter, 1993; 693). Realist approaches offer valuable perspectives by emphasizing reversible causality among political, bureaucratic, socioeconomic, and demographic factors inherent in demographic changes.

For instance, China’s unique hierarchical model challenges the applicability of an agency-oriented European model of fertility rate. Applying this to China overlooks the hierarchical model proposed by Jiang and Liu. Their research focuses on why China maintained its birth control policy despite very low fertility rates for three decades (Jiang & Yixiao, 2016; 552). They attribute this persistence to factors such as the authority of national leaders like Deng Xiaoping and Chen Yun, the legal framework and administrative regulations of the Chinese Communist Party, and the inertia of basic state policy (Jiang & Yixiao, 2016; 557–563).

Furthermore, while the DTT implies that industrial development leads to a decrease in fertility, scholars such as Myrskylä, Kohler, and Billari have demonstrated a reversible causal relationship between economic development and fertility rates. Their findings suggest that when a country’s HDI surpasses approximately 0.9, the relationship between HDI and fertility reverses: a higher HDI level is associated with a higher fertility rate (Myrskylä, Kohler, & Billari, 2009; 741).

Thirdly, Bongaarts and Sobotka’s research underscores the significance of both period and cohort effects in fertility dynamics. In the context of the rise in birth rates in Europe up to 2008, they introduce the TFRp* accounts for variations in fertility patterns across different demographic groups. Thus, the increase in TFR is mainly due to people delaying having children less rather than having more children overall (Bongaarts & Sobotka, 2012; 112), which emphasizes the need to take into account both demographic changes and socio-economic factors while analyzing fertility patterns.

In conclusion, adopting the traditional DTT offers a deductive, social Darwinistic perspective on demographic analyses. I suggested embracing a realist approach to capture the diverse contexts in which demographic transitions occur. To demonstrate this point, I addressed examples such as China’s challenges in removing its birth control policy, the concept of causal reversibility between economic development and fertility rates, and the TFRp* measure.

References

Bongaarts, J., & Sobotka, T. (2012). A demographic explanation for the recent rise in European fertility. Population and Development Review, 38(1), 83–120.

Jiang, Q., & Yixiao, L. (2016). Low fertility and concurrent birth control policy in China. The History of the Family, 21(4), 551–577.

Myrskylä, M., Kohler, H.-P., & Billari, F. C. (2009). Advances in development reverse fertility declines. Nature: Letters, 46(6), 741–743.

Szreter, S. (1993). The idea of demographic transition and the study of fertility change: A critical intellectual history. Population and Development Review, 19(4), 659–701.

LLM Appendix

System Prompt 1: Hi Mr. Robot! Can you help me write a summary of a set of readings? I will provide you with 4 citations and I need you to write a reflection that offers no linkages between the readings. Do not summarise the work or present the cited work in some sequential order. Limit your response to 500 words.

ChatGPT Response 1: Of course, I’d be happy to help with that! Please provide me with the citations, and I’ll craft a reflection for you.

User Prompt 2:

1. ”Specifically, an improved understanding of how improved labor-market flexibility, social security and individual welfare, gender and economic equality, human capital, and social/family policies can facilitate relatively high levels of fertility in advanced societies is needed.” (Myrskylä vd., 2009, p. 2)

2. “Our findings suggest that both period and cohort effects play significant roles in fertility change, with period-driven shifts in the mean age at childbearing influencing cohort fertility patterns. we introduced a new indicator called the tempo- and parity-adjusted total fertility rate (TFRp*), which controls for the parity composition of the female population. (Bongaarts ve Sobotka, 2012)

3. Hodgson, Demeny, and others have observed a trend in demographic social science where research priorities and methodologies are increasingly influenced by short-term policy goals. the author advocates for a more diverse and context-specific approach to studying fertility change, utilizing methodologies aligned with realism. (Szreter, 1993)

4. Official recognition of China’s low total fertility rate (TFR), which was around 1.8 and well below replacement level. The 2013 relaxation reform highlighted concerns about low fertility, as evidenced by the low number of applicants for a second child. Scholars and experts challenged the effectiveness of China’s birth control policy, arguing that the strict measures may not have had as significant an impact on fertility decline as previously claimed. Socioeconomic development was identified as a key factor influencing fertility rates. (Jiang ve Liu, 2016, p. 565–571)

ChatGPT Response 2: The readings present a multifaceted exploration of fertility dynamics, encompassing diverse factors and perspectives. Myrskylä et al. (2009) underscore the importance of comprehensive societal frameworks, including labor-market flexibility, social security, and gender equality, in fostering higher fertility rates in advanced societies. This highlights the intricate interplay between social policies and demographic trends.

Bongaarts and Sobotka (2012) contribute to this discourse by elucidating the nuanced interplay of period and cohort effects on fertility patterns. Their introduction of the tempo- and parity-adjusted total fertility rate (TFRp*) provides a refined lens through which to analyze fertility dynamics, considering factors such as the mean age at childbearing and parity composition of the population.

Szreter (1993) offers a critical perspective on the trajectory of demographic research, cautioning against the undue influence of short-term policy agendas. Advocating for a more diversified and context-specific approach, Szreter emphasizes the importance of methodologies aligned with realism in understanding fertility changes, thereby calling for a broader scholarly engagement beyond immediate policy imperatives.

In the context of China’s demographic landscape, Jiang and Liu (2016) shed light on the ramifications of low fertility rates and the implications of policy interventions. Their examination of China’s birth control policies underscores the complex relationship between socioeconomic development and fertility dynamics. The discourse surrounding China’s low total fertility rate and the efficacy of its policy measures underscores the need for nuanced analyses that account for the multifaceted influences on fertility behaviors.

Collectively, these readings offer a rich tapestry of perspectives on fertility dynamics, encompassing social, economic, and policy dimensions. From the imperative of comprehensive social policies to the refinement of demographic indicators and the critical appraisal of policy interventions, the discourse on fertility change emerges as a multifaceted field shaped by diverse forces and considerations.

User Prompt 3: Can you write this same summary in a different way using the same instructions that emphasize different points?

ChatGPT Response 3: Certainly, here’s an alternative approach to summarizing the readings:

The readings encapsulate a multifaceted exploration of fertility dynamics, each shedding light on distinct facets of this complex phenomenon. Myrskylä et al. (2009) illuminate the pivotal role of societal frameworks in shaping fertility rates, emphasizing the significance of labor-market flexibility, social security, and gender equality in advanced societies. This underscores the intricate interplay between structural factors and demographic trends, urging a holistic approach to understanding fertility dynamics.

In a complementary vein, Bongaarts and Sobotka (2012) delve into the nuanced interplay of period and cohort effects on fertility patterns, introducing the concept of the tempo- and parity-adjusted total fertility rate (TFRp*) as a refined analytical tool. Their research underscores the need to account for temporal shifts and population composition in fertility analyses, providing valuable insights into the complexities of fertility change.

Szreter (1993) offers a critical lens on the trajectory of demographic research, cautioning against the dominance of short-term policy agendas in shaping scholarly discourse. Advocating for a more diversified and context-specific approach, Szreter emphasizes the importance of methodological rigor aligned with the intricacies of real-world dynamics, urging scholars to engage with fertility issues beyond immediate policy imperatives.

In the context of China’s demographic landscape, Jiang and Liu (2016) illuminate the challenges posed by low fertility rates and the efficacy of policy interventions. Their analysis of China’s birth control policies underscores the multifaceted nature of fertility dynamics, highlighting the interplay between socioeconomic development and demographic trends. The discourse surrounding China’s fertility policies underscores the complexity of addressing fertility decline, underscoring the need for nuanced analyses that consider the diverse influences shaping fertility behaviors.

Together, these readings present a nuanced panorama of fertility dynamics, emphasizing the interplay of structural factors, temporal shifts, methodological considerations, and policy interventions. From the imperative of comprehensive social policies to the refinement of analytical tools and the critical appraisal of policy efficacy, the discourse on fertility change emerges as a multifaceted field shaped by diverse forces and perspectives.

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Elif Feyza Dinç

I am a sociology and political science & international relations student at Boğaziçi University. I publish the papers I write during my undergraduate period.