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Using a sample of 193 countries from 2010 to 2019, this study investigates the impact of institutional quality index (IQI) and information and communication technology (ICT) on inclusive growth. The study engaged the panel spatial correlation consistent (PSCC-FE), instrumental variable-generalized method of moments (IV-GMM), and simultaneous quantile regressions (SQREG) models to assess if the impact differs by economic development (high-, low-, lower-middle- and upper-middle-income countries). The following findings emerge. The effect of IQI is positive across all models from the full sample, while that of ICT is heterogeneous, with mobile phones having a significant positive impact. The interaction effect is observed to be sensitive to the choice of ICT indicator. From the sub-samples, both IQI, ICT and their interaction show significant heterogeneous effect with consistent positive (negative interaction) outcomes in high-income countries. Thus, our findings strongly suggest that policymakers should prioritize institutional quality and ICT to ensure that economic growth translates into better living conditions for people in other income groups.