Public workforce expansion: how institutional restructuring embodies the new public bureaucracy

Institutional restructuring in public organisations is often associated with downsizing, where organisations reduce employee numbers and consolidate functions. Yet restructuring is equally a mechanism through which organisations grow, expand functions, and rearticulate how work is divided and coordinated. Where does that growth concentrate, and what does it reveal about where contemporary public administrations direct institutional resources? This study draws on the emerging concept of a “new public bureaucracy”, characterised by an expansion of managerial, coordinating, and corporate functions within public sector organisations. The study examines all identified cases of internal restructuring across New Zealand public service organisations between 2018 and 2021 (484 cases), a period during which the core public service workforce grew by 19%. Using formal consultation and decision documents, the paper shows that growth concentrates disproportionately in advisory, coordinating, and accountability-facing functions, while frontline roles grow more slowly and administrative and information and communication technology (ICT) functions contract. Detailed analysis of restructuring at the New Zealand Police and New Zealand Transport Agency further reveals that corporate and operational functions restructure according to fundamentally different logics. At a time when public administrations across comparable jurisdictions face increasing scrutiny regarding administrative growth, cost, and effectiveness, these findings matter beyond the New Zealand case. The paper argues that jurisdictions relying on restructuring as a primary instrument of institutional change are structurally predisposed to bureaucratic corporatisation: when formal structure is the only lever deployed, accountability redistribution becomes the only change it can reliably deliver.