🇹🇴 Tonga
East Asia & Pacific · ISORA participant ·
20.5%
tax-to-GDP, central govt only (2023, World Bank)
2/11
enforcement powers assessed
Enforcement powers
Automated bulk data matching No — power absent
Self-reported to ISORA (International Survey on Revenue Administration), FY2022.
“ISORA indicator "Administration undertakes fully automated compliance checks based on data matching/analysis" — value: No”
Source: IMF ISORA — International Survey on Revenue AdministrationOECD / IMF survey data · derived from the administration’s own survey answer
Public naming of non-compliant taxpayers No — power absent
Self-reported to ISORA (International Survey on Revenue Administration), FY2022.
“ISORA indicator "Administration is empowered to make public details of some / all taxpayers subject to administrative penalties imposed for non-disclosure" — value: No”
Source: IMF ISORA — International Survey on Revenue AdministrationOECD / IMF survey data · derived from the administration’s own survey answer
Administration self-reported metrics (ISORA)
Reported by the administration itself to the IMF/OECD/CIAT/IOTA International Survey on Revenue Administration. 1 = yes, 0 = no for policy questions.
| Indicator | Year | Value |
|---|---|---|
| Percentage of tax returns - Electronic, not prefilled - CIT | 2024 | 1.386748844375963 |
| Percentage of tax returns - Electronic, not prefilled - PIT | 2024 | 0 |
| Percentage of tax returns - Electronic, not prefilled - VAT | 2024 | 5.180621674600952 |
| Population per FTE | 2024 | 1120.161290322581 |
| Labor force per FTE | 2024 | 374.0215053763441 |
| Corporate taxpayers per FTE in LTO/P | 2024 | 12.44444444444444 |
| Active taxpayers on PIT register as percentage of Population | 2024 | 31.20614350851932 |
| Active taxpayers on PIT register as percentage of Labor Force | 2024 | 93.45963661453543 |
| Closing stock of collectable arrears as percentage of closing stock of arrears | 2024 | 100 |
| CIT arrears as percentage of CIT collected | 2024 | 17.55422498909552 |
| PIT arrears as percentage of PIT collected | 2024 | 4.616631375316969 |
| PAYE arrears as percentage of PIT collected | 2024 | 3.761796460408334 |
| VAT arrears as percentage of VAT collected | 2024 | 104.5674640456746 |
| Percentage of tax returns - Electronic, fully pre-filled deemed acceptance - CIT | 2021 | — |
| Percentage of tax returns - Electronic, fully pre-filled confirmation required - CIT | 2021 | — |
| Percentage of tax returns - Electronic, partially pre-filled with income and/or expense information - CIT | 2021 | — |
| Percentage of tax returns - Electronic, fully pre-filled deemed acceptance - PIT | 2021 | — |
| Percentage of tax returns - Electronic, fully pre-filled confirmation required - PIT | 2021 | — |
| Percentage of tax returns - Electronic, partially pre-filled with income and/or expense information - PIT | 2021 | — |
| Percentage of tax returns - Electronic, fully pre-filled deemed acceptance - VAT | 2021 | — |
| Percentage of tax returns - Electronic, fully pre-filled confirmation required - VAT | 2021 | — |
| Percentage of tax returns - Electronic, partially pre-filled with income and/or expense information - VAT | 2021 | — |
| Additional assessments raised through all audits and verification actions as percentage of tax collections | 2024 | 3.202995442171904 |
| Audit hit rate | 2024 | 100 |
| Percentage of tax returns - Electronic, not prefilled - PAYE | 2024 | 3.118916288124594 |
| Percentage of tax returns - Electronic, prefilled, modified by taxpayer - CIT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled, not modified by taxpayer - CIT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled, modified by taxpayer - PIT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled not modified by taxpayer - PIT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled, modified by taxpayer - PAYE | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled not modified by taxpayer - PAYE | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled, modified by taxpayer - VAT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled not modified by taxpayer - VAT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled Total - CIT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled Total - PIT | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled Total - PAYE | 2024 | 0 |
| Percentage of tax returns - Electronic, prefilled Total - VAT | 2024 | 0 |
| Availability of specific powers in legislation / regulation to assist in collecting tax arrears | 2022 | 1 |
| Administrative sanctions for taxpayer non-disclosure - Common administrative penalty framework for non-disclosure across the major tax types | 2022 | 1 |
| Administrative sanctions for taxpayer non-disclosure - Penalties imposed generally take account of taxpayers' culpability (i.e. degree of blame) | 2022 | 1 |
| Administrative sanctions for taxpayer non-disclosure - Administration is empowered to remit / reduce penalties in appropriate circumstances | 2022 | 1 |
| Administrative sanctions for taxpayer non-disclosure - Administration is empowered to make public details of some / all taxpayers subject to administrative penalties imposed for non-disclosure | 2022 | 0 |
| On-time filing rate % - CIT | 2024 | 71.92118226600985 |
| On-time filing rate % - PIT | 2024 | 71.98896720809071 |
| On-time filing rate % - VAT | 2024 | 71.98700716845877 |
| On-time filing rate % - PAYE | 2024 | 71.99636611401317 |
| Administration pre-fills PIT returns or assessments | 2024 | 0 |
| Administration conducts random audits | 2022 | 1 |
| E-filing mandatory - CIT | 2022 | 0 |
| E-filing mandatory - PIT | 2022 | 0 |
| E-filing mandatory - Employer Withholdings | 2022 | 0 |
| E-filing mandatory - VAT | 2022 | 0 |
| E-payment mandatory - CIT | 2022 | 0 |
| E-payment mandatory - PIT | 2022 | 0 |
| E-payment mandatory - Employer Withholdings | 2022 | 0 |
| E-payment mandatory - VAT | 2022 | 0 |
| Employers withholding taxes on behalf of salaried employees | 2024 | 1 |
| Percentage of payments received electronically-By number of payments | 2024 | 5 |
| Percentage of payments received electronically-By value of payments | 2024 | 15 |
| Cooperative compliance approach exists for -Large taxpayers | 2024 | 1 |
| Cooperative compliance approach exists for -HNWI taxpayers | 2024 | 0 |
| Cooperative compliance approach exists for -Other taxpayers | 2024 | 1 |
| Most employees that have tax deducted through direct withholding required to file a return | 2024 | 0 |
| Administration receives data from devices that register transactions | 2024 | 1 |
| Administration uses electronic compliance checks as part of returns filing process | 2024 | 0 |
| Administration has specialized audit staff for international tax issues | 2022 | 0 |
| Administration has systems for importing, storing and managing third-party data - Customs data | 2022 | 1 |
| Administration has systems for importing, storing and managing third-party data - Data from stock exchanges | 2022 | 0 |
| Administration has systems for importing, storing and managing third-party data - Data from the Social Security Agency | 2022 | 0 |
| Administration has systems for importing, storing and managing third-party data - Data from online (internet-based) vendors | 2022 | 0 |
| Administration has systems for importing, storing and managing third-party data - Data from Utilities | 2022 | 0 |
| Administration checks the quality of data reported by third parties on a systematic basis | 2022 | 0 |
| Administration has systems for importing, storing and managing third-party data - Data on property ownership and sales | 2022 | 0 |
| Administration undertakes fully automated compliance checks based on data matching/analysis | 2022 | 0 |
| Administration measures the effectiveness of any compliance interventions undertaken | 2022 | 0 |
| Administration has standards for auditor productivity | 2022 | 1 |