Rafael Santoro
The city remains public mostly by appearance.
São Paulo, April 2026. The smart city is usually introduced as a managerial upgrade. Better coordination, faster response, cleaner data, fewer blind spots. That vocabulary is not false, but it is incomplete in ways that matter. What is changing in many Latin American megacities is not only the efficiency of urban administration. Something deeper is being relocated. Functions once understood as unmistakably public are now passing, piece by piece, into technical systems designed, maintained, and interpreted by actors who do not fit comfortably inside the old map of democratic responsibility.
This is not always visible at street level. The police uniform is still there. The municipal seal is still there. Public officials still hold press conferences and announce modernization plans in the familiar language of service delivery. But the operational layer increasingly lives elsewhere. A surveillance grid depends on one vendor, identity verification on another, cloud storage on another, risk analytics on another. The city still looks like it belongs to the state. Its intelligence often does not.
That is where the phrase smart city starts to conceal more than it reveals. It makes the transformation sound administrative, almost hygienic. As if digitalization were simply the next rational step in metropolitan life. But these systems do not merely optimize traffic or shorten response times. They classify. They rank. They authenticate. They flag. They sort visibility from suspicion. Once that begins, we are no longer dealing only with infrastructure. We are dealing with delegated authority over how the city perceives its own population.
Latin America has become a revealing space for this shift precisely because the region did not enter it under ideal conditions. Chronic insecurity, overstretched institutions, fragmented bureaucracies, unequal access to law, all of this creates strong incentives to purchase technological certainty, or at least something that looks close enough. When violence is ambient and administrative trust is thin, a dashboard can begin to look like order. A biometric system can be sold as neutrality. Predictive policing can arrive as a shortcut around institutional weakness, rather than as a constitutional event that ought to trigger scrutiny.
That last point matters more than it first appears. Many of these tools are adopted as procurement decisions when they should be debated as transformations in the legal architecture of public power. A city signs a contract for biometric access or integrated surveillance and speaks as if it were acquiring equipment. In practice, it may be redesigning the threshold between citizen and suspect. It may be changing how error is distributed, how innocence is interrupted, how neighborhoods become legible to enforcement. The law often arrives after the system is already functioning, and by then the discussion has narrowed. What was political begins to masquerade as technical.
São Paulo, Bogotá, and Mexico City each expose different versions of the same pattern. There is no single template. Still, the direction is recognizable. Urban governance is being assembled through modular systems whose parts are privately built, commercially incentivized, and legally diffuse. The state does not disappear inside this arrangement. If anything, it can become more assertive on the surface. But it governs through infrastructures it may not fully understand and often does not fully control. That is a different kind of power, less visible in origin and harder to challenge in court or in public language.
The ambiguity is useful. It protects everyone except the citizen. When a facial recognition match is wrong, responsibility begins to scatter. Was the problem the software, the database, the camera quality, the operator, the procurement design, the threshold settings, the public agency, the private contractor. Each layer can point to another. Harm remains real, but accountability becomes distributed so finely that it starts to evaporate. Outsourced sovereignty thrives in exactly that atmosphere. It does not abolish responsibility outright. It atomizes it.
And once responsibility atomizes, law becomes strangely delayed. Constitutional language still assumes that public coercion can be traced back to a discernible authority. Yet increasingly, decision environments are produced by hybrids: vendors, consultants, telecom networks, analytics platforms, cloud providers, security integrators, municipal agencies, all operating in combinations that blur the origin of state action. The legal shell remains recognizably public. The operational core becomes harder to name.
This is why the smart city should be read as a jurisdictional mutation, not just a governance trend. The issue is bigger than privacy, though privacy is part of it. What is being altered is the structure through which rights encounter systems. A citizen is gradually recoded as an authenticated presence, a trackable body, a pattern to be compared, a risk to be anticipated, a movement to be processed. None of this requires a dramatic constitutional rupture. That is part of its effectiveness. The order changes while the vocabulary of legality remains outwardly intact.
The informal economy complicates all of this in particularly Latin American ways. In much of the region, urban life exceeds formal categories as a matter of routine. Street commerce, informal transit, precarious housing, undocumented labor, unstable financial identities, these are not peripheral anomalies. They are part of how the city breathes. Yet digital systems tend to prefer legibility. They reward traceable subjects, standardized records, verified identities, stable coordinates. So the pressure grows to register what had once remained semi autonomous. That can be described as inclusion, and sometimes it is. But inclusion through mandatory legibility can also function as capture. To be seen more clearly by the system is not always to become freer inside it.
There is also a geopolitical layer that should not be underestimated. Latin American cities are not simply importing digital control from elsewhere. They are refining it under conditions of insecurity, inequality, and institutional improvisation that make certain models more adaptable, perhaps even more exportable. What emerges in São Paulo or Bogotá may later appeal to governments in parts of Africa or Southeast Asia seeking scalable urban control without the friction of strong liberal safeguards. In that sense, the region is no longer only a consumer of surveillance frameworks. It is becoming a workshop for their mutation.
That should make us pause. Not because technology is inherently suspect, but because democratic oversight is proving far weaker than technological integration. Cities need coordination. They need data capacity. They need infrastructure. None of that is in dispute. The issue is more exacting. Who defines the thresholds of suspicion. Who owns the systems that mediate identity. Who decides how long information survives. Who can audit an error. Who can contest a classification before it becomes action. A city that cannot answer those questions clearly is not merely becoming smart. It is becoming opaque in new ways.
Perhaps that is the core problem. The rhetoric of modernization suggests clarity, control, precision. The lived result can be the opposite. Citizens encounter systems they cannot interrogate, classifications they cannot see, and infrastructures that shape their civic status before they ever speak to a human official. Public power remains, but it arrives through machines, contracts, and decision chains that resist ordinary political reading. The mayor still governs, formally speaking. Yet the city may already be operating according to logics written elsewhere.
So who governs the smart city. The state, certainly, but no longer alone in the old sense. Private actors do not merely provide tools. They increasingly participate in the production of visibility, suspicion, access, and intelligibility. That is much closer to sovereignty than the language of procurement would ever admit. And because it arrives under the sign of efficiency, many of its most consequential effects appear only after they have been normalized.
Latin America is living this shift in real time. Not at the edge of politics, but in its urban core. The question is no longer whether technology will shape governance. It already does. The harder question is whether democratic language, legal oversight, and civic resistance can still keep pace once the city’s hidden operating system is no longer entirely public. That answer remains open, which is precisely why the region deserves closer attention than it usually receives.