Global Research
In-depth research on tax systems, salary trends, and financial regulations across 7 countries. Analysis based on official government data from IRS, HMRC, ATO, CRA, IRD, and IRAS.
Research Publications
Global Salary Report
Comprehensive analysis of salary benchmarks across 7 countries. Software engineer, doctor, teacher, nurse, and accountant salary comparisons with currency-adjusted data.
Global Tax Comparison
Comparison of income tax systems, brackets, and rates across the United States (IRS), United Kingdom (HMRC), Australia (ATO), Canada (CRA), New Zealand (IRD), India (ITD), and Singapore (IRAS).
Cost of Living Index
Analysis of cost-of-living indicators across 7 countries. Housing, transportation, healthcare, and goods and services costs compared using government statistical data.
Technology Sector Compensation
In-depth research on technology sector salaries including software engineers, data scientists, and IT professionals across all 7 countries.
Healthcare Professional Salaries
Research on healthcare compensation including doctors, registered nurses, and medical professionals across all covered countries.
Tax Authority Data Sources
Documentation of all official tax authority data sources used in Olikit calculations. IRS tax tables, HMRC rates, ATO thresholds, CRA brackets, IRD bands, Indian IT slabs, and IRAS rates.
Country Research Pages
United States
IRS · USD
Tax system analysis, salary trends, and financial research for United States. Data sourced from Internal Revenue Service.
View United States research →United Kingdom
HMRC · GBP
Tax system analysis, salary trends, and financial research for United Kingdom. Data sourced from HM Revenue & Customs.
View United Kingdom research →Australia
ATO · AUD
Tax system analysis, salary trends, and financial research for Australia. Data sourced from Australian Taxation Office.
View Australia research →Canada
CRA · CAD
Tax system analysis, salary trends, and financial research for Canada. Data sourced from Canada Revenue Agency.
View Canada research →New Zealand
IRD · NZD
Tax system analysis, salary trends, and financial research for New Zealand. Data sourced from Inland Revenue Department.
View New Zealand research →India
ITD · INR
Tax system analysis, salary trends, and financial research for India. Data sourced from Income Tax Department.
View India research →Singapore
IRAS · SGD
Tax system analysis, salary trends, and financial research for Singapore. Data sourced from Inland Revenue Authority of Singapore.
View Singapore research →Methodology & Sources
All Olikit research publications follow a transparent methodology. Data is sourced exclusively from official government publications and publicly available statistical databases.