geo-parity.com

What a month actually costs in each of 41 countries on a stated income, and what is left over.

Given a US-denominated annual income and a target country code, returns the effective local purchasing power (income / pppIndex), the lifestyle equilibrium cost (income * pppIndex), and the purchasing power ratio (1 / pppIndex).

Convert a base salary from a home country into a cost-of-living-fair local equivalent: S_local = S_base × (I_target / I_home), where I is a US-relative price level.

Models a country's wage distribution as log-normal, calibrated from World Bank GNI per capita (mean) and the Gini index (spread: sigma = sqrt(2)*normInv((Gini+1)/2)), then returns the survival floor (essentials), statutory minimum (ILOSTAT where available, else curated; null where none exists), median (p50), comfortable (p75), top 10% (p90) and top 1% (p99) bands — each monthly and annual, USD and local currency.

MEASURED gross monthly earnings of employees by ISCO-08 major occupation group, from ILOSTAT — median and mean, in USD, PPP dollars and local currency, for 35 countries (a median is published for most of them).

Returns a floor, midpoint and ceiling salary for a broad occupation and seniority in a country, anchored on ILO's measured earnings where they exist and on the modelled national wage ladder where they do not — `basis` says which.

Validate a set of trips against the Schengen Area rule: a non-EU visitor may be present at most 90 days within any rolling 180-day window.

Given a set of cities/timezones and each participant's local working hours, find the longest UTC window where everyone is simultaneously within their working day (DST-accurate), AND score the team's overall timezone friction.

Compute gross-to-net parity between a self-employed contractor hourly rate and an employee (W2/EOR) hourly rate, accounting for self-employment/income tax and self-paid health insurance, and return the break-even contractor rate.

Given a user-population breakdown, find the cloud host region that minimizes population-weighted round-trip latency (argmin_j Σ_i P_i × L_ij), and compute the optimal multi-region split (each user region routed to its nearest host).

Side-by-side comparison of two countries: US-relative price levels across every dataset (World Bank, IMF, OECD, Penn World Table, consumption basket), the consensus ratio, percent difference, and $100k salary equivalence in both directions.

Given a desired annual net income, compute the freelance hourly and day rate required after taxes, self-paid health insurance, weeks off, and billable utilization.

Count distinct days of presence per country per calendar year and evaluate the generic 183-day rule, the US Substantial Presence Test (weighted 3-year formula), and the UK 183-day tax-year test.

The comprehensive engine: from one travel itinerary it returns (1) Schengen 90/180 tourist-visa status (days used/remaining, first overstay, longest compliant stay), (2) per-country tax-residency risk on each country's OWN threshold and basis — the 183-day rule, Cyprus's conditional 60-day rule (flagged only when you're not 183+ resident elsewhere), the US Substantial Presence Test and the UK tax-year test — with safe days left, leave-by dates and a safe/warning/triggered rating, and (3) with an optional income, the tax cost of triggering residency at the standard rate vs an expat regime.

Geo-arbitrage FIRE analysis: given a portfolio and safe withdrawal rate, returns every country where the passive income sustains a lean ($32k US-equivalent/yr), comfortable ($55k), upper ($90k), or luxury ($150k) lifestyle at local purchasing-power prices — plus FIRE numbers per tier, nomad-visa income-floor eligibility, local-currency income, an SWR sensitivity band, (with savings/coast params) years until each country unlocks, and — where covered — a `statePension` overlay with the OECD net pension replacement rate (safety net from pension age; not subtracted from the FIRE numbers).

Estimates local prices for a 32-item everyday basket (rent, pint of beer, groceries, transport, gym, …) in two countries, derived as usPrice × pppIndex^elasticity — non-tradables like rent swing harder across borders than world-priced goods like petrol (Balassa-Samuelson-style model).

Remote Worker Tax Trap radar: evaluates how close a stay is to triggering tax residency (183-day rule with per-country variations across 43 tax jurisdictions) and estimates the tax owed on the FULL annual income if the threshold is crossed — comparing the standard resident effective rate against the country's special expat/nomad regime (Spain's Beckham Law 24%, Portugal's IFICI 20%, Italy's impatriati, territorial/remittance systems, …).

Quality-of-Life vs Cost matrix: ranks 41 countries by a user-weighted composite of livability metrics (median broadband Mbps, safety, healthcare, air quality, English usability — curated country-level data replacing the discontinued Teleport API) against the monthly cost of single-person essentials at local purchasing-power prices.

Healthcare cost and financial exposure across 41 countries: out-of-pocket spend per person per year (US$), out-of-pocket as a share of all health spending, total health spend per capita (PPP international $), government funding share, physicians per 1,000 and dentists per 10,000.

Housing cost and affordability across countries, built for remote workers.

Digital-nomad visa Income Matcher: given a monthly remote income (any currency) and household size, computes each program's real income threshold (base plus its published per-dependent uplift) and returns the programs you qualify for plus the near misses just out of reach — with duration, renewability, tax notes and official source URLs.

Passport Power: for a given country's passport, returns the visa-free-access score (visa-free + visa-on-arrival + eTA destinations), global rank and percentile among all ~199 passports, and the full destination breakdown by access type with names resolved.

For founders/freelancers stretching savings: computes how many extra months of runway relocating to a cheaper hub buys.

Measured connection quality per country from Cloudflare Radar: median download and upload (Mbps), median idle latency and jitter (ms), and a call-quality verdict derived from latency and jitter rather than bandwidth — a video call fails on latency and jitter long before it fails on throughput, which is why a download figure alone cannot answer “can I work from here”.

Two questions in one.

When a distributed team can actually all work.

What a hire actually costs the employer: the gross wage plus the employer's own social security contributions at the rate OECD Taxing Wages publishes (single earner, no children, 100% of the average wage), applied as a flat rate — the figure employer-of-record services quote for a fee.

Two questions in one.

What money earns or loses in real terms.

What it costs to send money from one country to another, from the World Bank's Remittance Prices Worldwide survey (newest quarter, CC BY 4.

A fixed pension paid from one country and spent in another, after the exchange rate, the destination's price level and the destination's inflation.

Whether adults there can bank: the share of adults (15+) with an account at a bank, another financial institution or a mobile-money provider, from the World Bank's Global Findex — a triennial household survey, so the survey year travels with each figure — plus personal remittances received as a share of GDP.

Whether a newcomer can open a personal bank account in a country (`yes`, `restricted` or `no`) with the documents usually asked for from a fixed vocabulary, the statutory deposit guarantee per depositor per bank in local currency AND converted to USD at the site's FX snapshot, the country's instant payment systems from the World Bank's Project FASTT tracker, the EU basic-account right under Directive 2014/92/EU where it applies, and a FATCA flag where banks commonly decline US citizens — a hand-curated register over all 186 spine countries, added 17 Sep 2026, with the scheme or regulator page and check date per row (`confidence: "secondary"` where the official page could not be fetched, separately on `depositGuarantee` for the figure).

Statutory tax schedules from the OECD, compared or ranked.

The World Bank's Women, Business and the Law reading of each country's statute (2026 edition, 41 spine countries).

Standard and reduced VAT/GST rates for the 41-country spine, hand-curated from each national tax authority's published page and served with that page's URL and the date it was checked, so a figure can be verified rather than trusted.

What two governments say about going.

What to sort out with a travel clinic, as facts from TravelHealthPro (NaTHNaC, the UK's national travel-health centre) with the source page linked per row: the yellow-fever certificate position (required for all arrivals, required when arriving from a risk country, or none), whether the country itself carries yellow-fever risk, the vaccine names recommended for most UK travellers and for some, and whether malaria guidance exists — plus the health-risk names the FCDO lists.

Measured danger once there.

What the state pension system looks like there, from OECD Pensions at a Glance (members and G20 partners, 33 of the 41 spine countries).

Which of the 41 spine countries would let a retiree in, and on what terms — a hand-curated register of retiree, passive-income and deposit routes (kind), each with minimum age, monthly income or deposit threshold in its own currency, duration, renewability, a path-to-residency flag, the official page it was read from and the check date; an entry read from secondary reporting because the official site could not be fetched is marked `confidence: "secondary"`, and countries with no route are `kind: "none"` with a line saying why.

Does a fixed monthly pension cover a month of local essentials.

What a company's investment is actually taxed at: OECD's forward-looking effective average tax rate (EATR), effective marginal rate (EMTR) and cost of capital for a composite investment under fixed interest and inflation, beside the statutory combined corporate rate from the Rules hub, with the gap in points — what allowances and incentives are worth.

What a company in `from` keeps back when it pays dividends, interest, royalties or technical fees to a recipient in `to`: OECD's standard withholding rates for the payer's country and, for the pair, the treaty rate where OECD publishes one, with the saving in points per income type.

How long and how much it takes to register a limited company: World Bank B-READY's calendar days and cost to complete company entry for a domestic and a foreign-owned company (cost in local currency with a USD conversion at the site's FX snapshot), whether paid-in minimum capital is required, whether sectors are closed to full private ownership, whether a national-employee quota applies, and whether registration is online with an e-signature, fees payable online and a unique business id assigned — plus the World Bank Entrepreneurship Database's new limited-liability companies per 1,000 working-age adults.

Which of the 41 spine countries would let a founder in, and on what terms — a hand-curated register of founder/start-up routes, investor routes and `kind: "none"` entries, each with its one published money figure and what it is for (`minFunds.

How much health system there is per person: medical doctors and nursing and midwifery personnel per 10,000 (WHO Global Health Observatory) and hospital beds per 10,000 (WHO, or OECD where newer — the row names its source), beside the UHC service-coverage index.

What full-time centre-based childcare costs a family after benefits and tax, from OECD's tax-benefit model (two children aged 2 and 3, no social assistance or rent supplement): a couple both earning 100% of the average wage and a single parent earning 67%, each as a share of household disposable income, of the average wage, and in local currency per year.

What eating a healthy diet costs per person per day, MEASURED: the World Bank's Food Prices for Nutrition series (the cheapest locally available foods that meet a healthy-diet standard, from International Comparison Program retail prices), 165 of the 186 spine countries.

How long goods take to clear the border and what compliance costs, from World Bank B-READY's International Trade topic (firm-survey averages in the largest business city): days for exported and imported goods to clear all border agencies, the typical cost of complying with export and import requirements as a share of goods value, and the share of firms exporting by parcel.

How much work paying tax is, from World Bank B-READY's Taxation topic (firm surveys in the largest business city): median hours spent on tax compliance a year, the share of firms filing and paying electronically, weeks to a final audit report and to a VAT refund, the share citing a too-long refund process, the share of social-security taxes in labour cost, and the effective income-based rate firms REPORT paying — which is neither the statutory rate (Rules hub) nor OECD's modelled effective rate (Business hub's tax tab), and the caveat keeps the three apart.

How much of government can be done online: the UN E-Government Development Index (0–1) and its three components — Online Service Index, Telecommunication Infrastructure Index, Human Capital Index — for all 41 spine countries, read from the UN E-Government Knowledgebase's country pages because no data file is published.

Whether a foreigner may buy residential property in each of the 41 spine countries: an ownership band (`free`, `restricted`, `leasehold-only`, `prohibited`), the main restrictions in a sentence, whether land itself may be owned, and the headline transfer tax a buyer pays with a note on surcharges and fees — a hand-curated register with the official page and check date per row; an entry read from secondary reporting because the official page could not be fetched is marked `confidence: "secondary"`.

The minimums a job's law sets in each of the 41 spine countries: paid annual leave in days with its `basis` (`working` or `calendar`, never converted), the minimum notice an employer and an employee must give in weeks (`noticeNote` where it rises with tenure), the probation ceiling in months and the ordinary weekly-hours ceiling — a hand-curated register with the labour authority's page and check date per row, added 13 Sep 2026; an entry read from secondary reporting because the official page could not be fetched is marked `confidence: "secondary"`.

What a visitor needs before driving in each of the 41 spine countries: which side of the road, the national default urban, rural and motorway speed limits in the unit signed there (`speedUnit` km/h or mph, never converted), the blood-alcohol limit for ordinary drivers in g/100 ml (`bacNote` for novice and professional limits; 0 is a real zero-tolerance rule), equipment the law requires carried from a fixed vocabulary, and whether an International Driving Permit is needed (`idpRequired`, from GOV.

Student-visa routes for the 41 spine countries — a hand-curated register of the funds a student must show (amount, currency, per month or year), the work hours allowed in term, the post-study stay in months, a path-to-residency flag, the official page it was read from and the check date; secondary-sourced entries are marked, and countries with no route are `kind: "none"`.

Ranks countries by a fit score that blends the livability composite (internet speed, safety, healthcare access, air quality, English — measured, each with its own source year) with how far a monthly budget in USD goes against modelled essentials, using 0–10 weights per dimension (`cost`, `internet`, `safety`, `healthcare`, `air`, `english`; default 5 each).

The three to six headline figures each hub owns for one country, in one call: price level vs the US and datasets covering it (compare); monthly essentials, health out-of-pocket spending and — with `income` — what is left after costs (costs); modelled median and minimum wage, ILOSTAT measured median, pension replacement rate (earn); safety and healthcare-access scores, rule of law, disaster risk, comfortable days, tax-residency threshold, passport rank, nomad-visa programmes (move); public holidays, latency and download speed, employer contribution loading, weekly hours, paid maternity leave (work); inflation, policy rate, banked adults, remittance corridors surveyed (money); combined corporate tax rate, top income-tax rate and where it starts, standard VAT rate (absent for the US — state sales taxes are not a 0% VAT), the Women, Business and the Law index and retirement ages for men and women (rules); FCDO and US State Department advice levels, the yellow-fever certificate position, ho

The registry of every dataset behind the site's figures — price levels, wages, housing, healthcare, holidays, working time, inflation, remittance prices, and the rest.

Monthly climate normals from ERA5 reanalysis (2015-2024) via Open-Meteo: mean daily maximum and minimum temperature, average monthly rainfall, and a count of comfortable days.

INFORM Risk from the European Commission's Joint Research Centre: a 0-10 composite where HIGHER IS WORSE, plus the three dimensions behind it — hazard (exposure to earthquakes, floods, cyclones, drought, conflict), vulnerability (how exposed the population is) and copingCapacity (whether institutions and infrastructure could respond).

The cash needed to ARRIVE somewhere, as opposed to what a month costs once you live there: the entry fee for a given passport, the first month's rent, the deposit, and a long-stay visa fee where one has been verified against the issuing government.