Quantum technology is often discussed in the abstract — as a future capability that will transform industries and redefine national security. But a new analysis from the RAND Corporation brings the conversation closer to home, examining five concrete ways in which quantum technology is likely to affect the daily lives of ordinary people within the next decade.

The analysis draws on RAND's extensive research into emerging technology policy and national security, and is intended to help policymakers, business leaders, and the public understand the practical stakes of the quantum transition.

1. Faster Drug Discovery and Personalised Medicine

Quantum computers are uniquely well-suited to simulating molecular interactions at the quantum mechanical level — the same level at which drug molecules interact with biological targets. Classical computers struggle with this problem because the number of quantum states involved grows exponentially with molecular complexity.

Quantum simulation could dramatically accelerate the identification of drug candidates, reduce the cost of clinical trials by improving target selection, and enable the design of personalised medicines tailored to an individual's genetic profile. RAND analysts estimate that quantum-accelerated drug discovery could reduce the average time from target identification to clinical candidate by 30–50%.

2. Stronger Encryption — and New Vulnerabilities

The most immediate impact of quantum computing on everyday life may be invisible but consequential: the security of digital communications. Sufficiently powerful quantum computers will be able to break the public-key encryption that currently protects online banking, email, and e-commerce.

The transition to post-quantum cryptography — new encryption standards designed to resist quantum attacks — is already underway, driven by NIST's 2024 finalisation of the first post-quantum cryptographic standards. However, the migration of legacy systems is slow, and the window of vulnerability between the arrival of cryptographically relevant quantum computers and the completion of the migration represents a significant risk.

"The quantum transition is not a distant threat. The data being encrypted today may be harvested now and decrypted later, once quantum computers become capable enough. This 'harvest now, decrypt later' threat is real and present."

3. More Accurate Weather and Climate Modelling

Quantum computers could transform our ability to model complex systems — including the Earth's atmosphere and climate. Current weather models are limited by the computational cost of simulating fluid dynamics at high resolution across large spatial and temporal scales.

Quantum algorithms for differential equations and optimisation could enable weather forecasts with significantly greater accuracy and longer useful horizons, with direct benefits for agriculture, disaster preparedness, and energy grid management.

4. Optimised Supply Chains and Logistics

Many of the most economically significant optimisation problems — routing, scheduling, resource allocation — are computationally intractable for classical computers at real-world scale. Quantum optimisation algorithms offer the prospect of finding near-optimal solutions to these problems in practical timeframes.

The implications extend from global shipping and airline scheduling to last-mile delivery and hospital resource management. RAND estimates that quantum-optimised logistics could reduce global supply chain costs by several percentage points — a figure that translates to hundreds of billions of dollars annually.

5. Quantum Sensing for Health and Infrastructure

Quantum technology encompasses more than just quantum computing. Quantum sensors — devices that exploit quantum mechanical effects to achieve measurement precision far beyond classical limits — are already finding applications in medical imaging, navigation, and infrastructure monitoring.

Quantum-enhanced MRI machines could detect tumours at earlier stages. Quantum gravimeters could map underground infrastructure with unprecedented accuracy, reducing the cost and disruption of urban construction. Quantum clocks could enable GPS-independent navigation systems with centimetre-level precision.

Unlike quantum computers, many quantum sensing technologies are already commercially available or in late-stage development, meaning their impact on everyday life may be felt sooner than that of quantum computing.