[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"glossary-data-residency::en":3,"gloss-cluster-data-residency::en":20,"gloss-next-data-residency::en":9},{"slug":4,"category":5,"name":6,"definition":7,"meta_desc":8,"faq":9,"schema_markup":9,"related":10},"data-residency","saas","Data Residency","Data residency refers to where a SaaS customer's data is physically stored and processed — which specific country or region's data centers actually hold the bytes — and, increasingly, is a hard contractual or regulatory requirement rather than a nice-to-have, driven by laws like GDPR (which restricts transferring EU personal data outside the EU\u002FEEA without specific safeguards), and by government, healthcare, and financial-sector procurement rules that mandate data never leave a specific jurisdiction at all. Data residency is distinct from, though related to, data sovereignty (the broader principle that data is subject to the laws of the country it's stored in, regardless of the data owner's nationality) and from data localization (a stricter, more absolute legal mandate in some countries — Russia and China notably — requiring certain categories of data to be stored exclusively within national borders, with no exceptions). For SaaS builders serving international, regulated, or public-sector customers, data residency isn't just a legal checkbox — it's an infrastructure decision with real engineering cost: supporting an EU-resident option typically means standing up a fully separate application deployment and database in an EU cloud region (not just a CDN edge cache), routing EU customer signups to that region specifically, and ensuring backups, logs, and even support-ticket attachments containing customer data also stay within the committed region — a much bigger lift than it initially sounds, easily missed until an enterprise security review specifically asks \"does support-ticket data also stay in-region?\" Cloud providers (AWS, GCP, Azure) make multi-region deployment mechanically possible, but the SaaS vendor still has to architect for genuine data isolation per region rather than a single global database with regional read replicas, since the latter typically still means the primary copy of the data resides in one region regardless of where reads are served from. Concrete worked example: a SaaS company selling into EU public-sector customers stands up a fully isolated deployment in AWS's Frankfurt (eu-central-1) region — separate Postgres instance, separate S3 buckets for file uploads, separate logging pipeline — and routes any customer who selects \"EU data residency\" during signup exclusively to that stack, with an internal safeguard (a database constraint plus a CI check) that actively prevents any EU-residency customer's data from ever being written to the company's default US-region database, even accidentally. Sales and pricing teams should be looped into data-residency planning early too, since regional deployments carry real ongoing infrastructure cost (a second full production stack, duplicated observability, region-specific on-call coverage) — many SaaS vendors price EU\u002Fregional residency as a distinct premium tier precisely to offset this cost, rather than assuming every customer can be served identically regardless of which region their data must legally live in.","Data residency is the requirement or guarantee that a customer's data is physically stored and processed within a specific geographic or legal jurisdiction.",null,[11,14,17],{"slug":12,"name":13},"gdpr","GDPR (General Data Protection Regulation)",{"slug":15,"name":16},"multi-tenant","Multi-Tenant",{"slug":18,"name":19},"soc-2","SOC 2",[21,25,29,32,35,38,41,45,48,51,54,57],{"slug":22,"category":5,"name":23,"updated_at":24},"activation","Activation","2026-08-24T02:46:36+00:00",{"slug":26,"category":5,"name":27,"updated_at":28},"aha-moment","Aha Moment","2026-08-24T02:46:37+00:00",{"slug":30,"category":5,"name":31,"updated_at":28},"annual-contract-value","Annual Contract Value (ACV)",{"slug":33,"category":5,"name":34,"updated_at":24},"api-first","API-First",{"slug":36,"category":5,"name":37,"updated_at":24},"arpa","Average Revenue Per Account (ARPA)",{"slug":39,"category":5,"name":40,"updated_at":24},"arr","Annual Recurring Revenue (ARR)",{"slug":42,"category":5,"name":43,"updated_at":44},"auto-renewal-clause","Auto-Renewal Clause","2026-08-24T02:46:38+00:00",{"slug":46,"category":5,"name":47,"updated_at":44},"build-vs-buy","Build vs. Buy",{"slug":49,"category":5,"name":50,"updated_at":28},"burn-multiple","Burn Multiple",{"slug":52,"category":5,"name":53,"updated_at":44},"burn-rate","Burn Rate",{"slug":55,"category":5,"name":56,"updated_at":24},"cac","Customer Acquisition Cost (CAC)",{"slug":58,"category":5,"name":59,"updated_at":24},"cdn","Content Delivery Network (CDN)"]