The　promising　prospects　of　antiferroelectric　perovskite　oxides　in　the　realm　of　energy　storage　applications　hinge　on　the　unique　field-induced　phase　transitions.　Once　the　transition　is　triggered　by　the　application　of　an　electric　field,　characteristic　double　polarization　loops　appear.　However,　NaNbO3-based　3-based　materials　that　exhibit　a　reversible　phase　transition　are　still　rare,　which　hinders　the　practical　applications　of　lead-free　antiferroelectrics.　Here,　the　impact　of　materials　chemistry　on　the　competition　between　antiferroelectric　and　ferroelectric　states　is　demonstrated　in　a　series　of　NaNbO3-based　3-based　solid　solutions　with　varying　perovskite　B-site　cations,　while　the　A-site　is　fixed　as　strontium.　The　crystal　structure　is　analyzed　on　the　basis　of　Rietveld　refinement　of　high-energy　X-ray　diffraction　data.　The　phase　transition　behavior　as　well　as　the　antiferroelectric　and　ferroelectric　properties　are　probed　by　a　series　of　electrical　measurements.　The　antiferroelectric　phase　is　universally　observed　for　all　investigated　materials　in　the　virgin　state.　The　SrTiO3-substituted　3-substituted　system　shows　an　irreversible　phase　transition　similar　to　that　of　pure　NaNbO3.　In　contrast,　double　polarization　hysteresis　loops　are　observed　in　the　SrHfO3-,　SrZrO3-,　and　SrSnO3-substituted　3-substituted　systems.　It　is　confirmed　that　compounds　that　can　reduce　the　tolerance　factor　of　the　system　contribute　to　the　stabilization　of　the　antiferroelectric　order,　while　those　that　can　reduce　the　electronegativity　difference　lead　to　more　pronounced　double　loops.　The　competition　between　antiferroelectricity　and　ferroelectricity　is　linked　to　the　competition　between　covalent　and　ionic　bonding　in　perovskites.