Research on democratic backsliding holds that contemporary democratic decline proceeds mainly through gradual, legally disguised erosion by elected incumbents rather than through sudden ruptures such as military coups or blatant election-day fraud. Two linked questions about that characterization remain open. First, whether the gradual/sudden distinction is substantively real: the identification of autocratization episodes and the measurement of their pace depend on index choice, thresholds, and the treatment of expert-coder noise, and expert-coded and objective indicators of democratic decline have been shown to disagree, so whether the celebrated gradualness of contemporary autocratization reflects regimes rather than measuring instruments is contested. Second, whether pace matters for outcomes: the speed of decline has been linked only descriptively to end-state democracy levels and to the global share of democracies, never causally identified, and formal and case-based work shows that pace is itself an object of incumbent strategy (the choice between erosion and a self-coup, and the manipulation of political tempo), which complicates any causal reading. The problem asks for measurement-robust evidence on the reality of the gradual/sudden distinction and on whether the pace of democratic breakdown affects reversal prospects, end states, and regime durability, at the natural cross-national, full-historical-span generality of the source literature.

Background

Democratic backsliding — the state-led weakening of the political institutions sustaining an existing democracy (Bermeo 2016) — has reshaped the study of regime change since the mid-2010s. Autocratization, the broader term used in the V-Dem (Varieties of Democracy) research program, denotes any decline in democratic attributes regardless of regime type, measured continuously by indices such as the Electoral Democracy Index (EDI), which aggregates expert codings of suffrage, clean elections, and freedoms of expression, association, and information on a 0–1 scale. A stylized fact organizes the field: whereas twentieth-century democratic breakdown typically arrived as a sudden rupture — an open-ended military coup, an executive coup, or blatant election-day fraud — contemporary decline is said to unfold gradually and legally, through executive aggrandizement (the incremental expansion of executive power at the expense of checks and balances) and strategic electoral manipulation (Bermeo 2016; Haggard and Kaufman 2021). Lührmann and Lindberg (2019) gave this claim quantitative content by identifying autocratization episodes (spells of sustained EDI decline exceeding a threshold) and introducing a pace metric, the maximum annual depletion rate, defined as the largest year-over-year drop in the EDI during an episode. They reported that the median peak rate fell from about 31% of the index scale before the third wave of autocratization (1900–1993) to about 8% in the third wave (1994–2017), that slower episodes end at higher democracy levels, and that pace correlates negatively (r≈−0.66r \approx -0.66) with the global share of democracies — while flagging that these regressions on roughly 75 observational episodes are not causally identified. Two literatures have since unsettled the foundations of this picture. The first is measurement: episode identification varies with index choice, thresholds, and uncertainty treatment, and Pelke and Croissant (2021) showed that 26 operationalizations of the autocratization episode disagree substantially. Little and Meng (2024) then argued that objective indicators such as incumbents' electoral performance show little global decline over the last decade, attributing the gradual-erosion narrative partly to properties of expert-coded indices — a claim contested by the V-Dem team (Knutsen et al. 2024, with a rejoinder by Little and Meng 2024). Whether the gradual/sudden distinction tracks the world rather than the instruments thus remains genuinely open. The second is strategy: formal theory shows that pace is chosen, not given. Miller (2021) models an incumbent's choice between full breakdown (a self-coup, the incumbent's unilateral suspension or seizure of the constitutional constraints on executive power) and piecemeal erosion, showing that erosion is preferred when citizens' willingness to punish abuse is responsive to detection; van Lit and van Ham (2026) catalogue over 400 discrete autocratic actions across seven modes; and Rogers and Bisarya (2026) argue that incumbents manipulate political tempo itself — accelerating decision-making so as to outrun resistance — by exploiting gaps in time rules, the legal provisions that structure political timing, tempo, and sequencing. If pace is endogenous to incumbent strategy, the observed association between gradualism and outcomes cannot be read causally without further argument.

Problem Statement

Is the distinction between gradual erosion and sudden rupture in democratic backsliding substantively real, and does the pace of democratic breakdown matter for outcomes? Concretely: (1) Construct validity — can the classification of autocratization episodes as gradual versus sudden, and measures of their pace such as the maximum annual depletion rate, be shown to be robust across reasonable measurement choices (V-Dem's Electoral versus Liberal Democracy Index, Freedom House, Polity, and objective indicators; episode-identification thresholds; treatment of expert-coder noise and measurement uncertainty), or is the gradual-erosion characterization of contemporary backsliding substantially an artifact of particular instruments, as suggested by the divergence of expert-coded and objective measures? (2) Pace and outcomes — does the pace of democratic decline within an episode systematically affect political outcomes, including the end state and depth of the resulting regime, the probability and timing of democratic reversal (turnarounds), and the durability of the autocratizing coalition or successor regime, once the strategic endogeneity of pace (incumbents choosing the tempo and mode of autocratization) is accounted for? The question is posed at the natural generality of the source literature — cross-national, over the full historical span of the democracy measures (roughly 1900 to the present) — and is not restricted to particular countries, indices, or periods.

References

  1. Bermeo, Nancy (2016). "On Democratic Backsliding." Journal of Democracy 27(1):5–19. DOI: 10.1353/jod.2016.0012. https://doi.org/10.1353/jod.2016.0012
  2. Lührmann, Anna; Lindberg, Staffan I. (2018). "Keeping the Democratic Façade: Contemporary Autocratization as a Game of Deception." SSRN preprint. DOI: 10.2139/ssrn.3236601. https://doi.org/10.2139/ssrn.3236601
  3. Lührmann, Anna; Lindberg, Staffan I. (2019). "A third wave of autocratization is here: what is new about it?" Democratization 26(7):1095–1113. DOI: 10.1080/13510347.2019.1582029. https://doi.org/10.1080/13510347.2019.1582029
  4. Miller, Michael K. (2021). "A Republic, If You Can Keep It: Breakdown and Erosion in Modern Democracies." The Journal of Politics 83(1):198–213. DOI: 10.1086/709146. https://doi.org/10.1086/709146
  5. Pelke, Lars; Croissant, Aurel (2021). "Conceptualizing and Measuring Autocratization Episodes." Swiss Political Science Review 27(2):434–448. DOI: 10.1111/spsr.12437. https://doi.org/10.1111/spsr.12437
  6. Haggard, Stephan; Kaufman, Robert (2021). Backsliding: Democratic Regress in the Contemporary World. Cambridge University Press. DOI: 10.1017/9781108957809. https://doi.org/10.1017/9781108957809
  7. Boese, Vanessa A.; Lundstedt, Martin; Morrison, Kelly; Sato, Yuko; Lindberg, Staffan I. (2022). "State of the world 2021: autocratization changing its nature?" Democratization 29(6):983–1013. DOI: 10.1080/13510347.2022.2069751. https://doi.org/10.1080/13510347.2022.2069751
  8. Sato, Yuko; Lundstedt, Martin; Morrison, Kelly; Boese, Vanessa A.; Lindberg, Staffan I. (2022). "Institutional Order in Episodes of Autocratization." SSRN preprint. DOI: 10.2139/ssrn.4239798. https://doi.org/10.2139/ssrn.4239798
  9. Little, Andrew T.; Meng, Anne (2024). "Measuring Democratic Backsliding." PS: Political Science & Politics 57(2):149–161. DOI: 10.1017/S104909652300063X. https://doi.org/10.1017/S104909652300063X
  10. Knutsen, Carl Henrik; Marquardt, Kyle L.; Seim, Brigitte; Coppedge, Michael; Edgell, Amanda B.; Medzihorsky, Juraj; Pemstein, Daniel; Teorell, Jan; Gerring, John; Lindberg, Staffan I. (2024). "Conceptual and Measurement Issues in Assessing Democratic Backsliding." PS: Political Science & Politics 57(2):162–177. DOI: 10.1017/S104909652300077X. https://doi.org/10.1017/S104909652300077X
  11. Little, Andrew T.; Meng, Anne (2024). "What We Do and Do Not Know about Democratic Backsliding." PS: Political Science & Politics 57(2):224–229. DOI: 10.1017/S1049096523001038. https://doi.org/10.1017/S1049096523001038
  12. Croissant, Aurel; Hengge, Anna; Wintergerst, Carmen (2024). "Beating Backsliding? Episodes and Outcomes of Democratic Backsliding in Indo-Pacific Asia in the Period 1950–2022." Asian International Studies Review 25(1):30–58. DOI: 10.1163/2667078X-BJA10032. https://doi.org/10.1163/2667078X-BJA10032
  13. Boese-Schlosser, Vanessa; Edgell, Amanda B.; Hellmeier, Sebastian; Maerz, Seraphine F.; Sato, Yuko; Wilson, Matthew C.; Lindberg, Staffan I. (2024). "Identifying episodes of autocratization." In The Routledge Handbook of Autocratization, pp. 65–76. Routledge. DOI: 10.4324/9781003306900-6. https://doi.org/10.4324/9781003306900-6
  14. van Lit, Joep; van Ham, Carolien (2026). "The would-be autocrats' toolkit: what do incumbents do when they undermine democracy?" European Political Science Review 18(1):138–157. DOI: 10.1017/S1755773925100106. https://doi.org/10.1017/S1755773925100106
  15. Nord, Marina; Angiolillo, Fabio; Lundstedt, Martin; Wiebrecht, Felix; Lindberg, Staffan I. (2025). "When autocratization is reversed: episodes of U-Turns since 1900." Democratization 32(5):1136–1159. DOI: 10.1080/13510347.2024.2448742. https://doi.org/10.1080/13510347.2024.2448742
  16. Nord, Marina; Angiolillo, Fabio; Good God, Ana; Lindberg, Staffan I. (2025). "State of the world 2024: 25 years of autocratization – democracy trumped?" Democratization 32(4):839–864. DOI: 10.1080/13510347.2025.2487825. https://doi.org/10.1080/13510347.2025.2487825
  17. Rogers, Madeleine; Bisarya, Sumit (2026). "Manipulating political tempo in democratic backsliding: lessons for democratic resilience." Democratization (online first), pp. 1–22. DOI: 10.1080/13510347.2026.2656749. https://doi.org/10.1080/13510347.2026.2656749