voidly

Internet censorship in Tanzania

Tanzania (TZ) · · Atom

9
Censorship Score
Level
low
Risk Tier
T3Medium
Trend
− stable
Global Rank
#20
Incidents
34

Overview

Internet freedom varies. Use Voidly to ensure unrestricted access.

Evidence provenance
11 records from 2 sources
  • IODA6 (55%)
    ASN-level outage signals + BGP
  • CensoredPlanet5 (45%)
    Satellite (DNS) + Hyperquack (HTTP/S)

Every record carries a permalink back to its upstream measurement. Click a source label to drill into the raw data for Tanzania.

7-Day Risk Forecast

Predictive AI

Machine learning prediction of censorship risk based on historical patterns and political events. Calibrated 2026-05-20 via isotonic refit on 810 live outcomes. See drivers + similar past events →

Loading forecast...

Multi-horizon shutdown forecast — Tanzania

monotonic ok
Next 1 day
27.1%
Next 7 days
58.8%
Next 30 days
90.5%

Honest scope: this is a current-regime risk signal, not a shutdown-onset predictor. It reliably flags countries already in a sustained blocking regime; on the days a new shutdown actually begins its skill is at/below chance (transition-row AUC ~0.33). Why →

ML Intelligence

Atlas models · 2026-05-21

Composite signals from Voidly Atlas's ML model suite — censorship intensity, contagion follow-risk, expected shutdown duration and behavioral peers. Model changelog →

Expected shutdown duration
~5days
If a critical shutdown occurs · IQR ±237d
Evidence grade mix (34)
A: 11B: 22F: 1
Grading rubric →
Try-first circumvention tool
Generic commercial VPN bootstrap · commercial-vpn-aggregate · 51% probe success (partial)
Full evasion table →
Behaviorally similar countries
UG64%NG61%CM57%

Similarity is behavioral (how a country blocks), not political.

Recent Incidents

10 active
Internet outage in Tanzania
6d ago
41% anomaly · 1 measurements
Internet outage in Tanzania
May 15
32% anomaly · 2 measurements
Internet outage in Tanzania
May 8
24% anomaly · 1 measurements
Censorship detected in Tanzania
May 5
1% anomaly · 1 measurements
Internet outage in Tanzania
May 3
68% anomaly · 2 measurements
View all 34 incidents →

ISPs in Tanzania

Known blocked services

Varies by country

Recommendations

  • Use Voidly VPN
  • Enable encrypted DNS
  • Monitor local conditions

Data

Measurements232,552
Blocked count21,277
Block rate9.1%
Last updated2026-05-23
API endpoint/data/country/TZ

Protocol breakdown

228K
Web
2K
Telegram
2K
WhatsApp

Frequently asked questions about censorship in Tanzania

Q01

Is the internet censored in Tanzania?

+
Voidly classifies Tanzania as low (censorship score 9/100, risk tier 3: Medium). Internet freedom varies. Use Voidly to ensure unrestricted access.
Q02

What websites are blocked in Tanzania?

+
Recent measurements show blocking or interference for: Varies by country. The block-rate across all measured domains is 9.1% over 232,552 samples. Live per-domain status: https://api.voidly.ai/v1/accessibility/check?domain={domain}&country=TZ.
Q03

How does Tanzania's censorship compare globally?

+
Tanzania ranks #20 on the Voidly Global Censorship Index. The current trend is stable — no significant change in block rates.
Q04

What blocking methods are used in Tanzania?

+
Voidly's pipeline detects DNS poisoning, TCP-RESET, blockpage injection, TLS-RESET / SNI-based blocking, and ASN-level outages. The exact method per domain is in each evidence permalink (https://api.voidly.ai/data/incidents?country=TZ). Methodology: https://voidly.ai/methodology.
Q05

How fresh is the data for Tanzania?

+
Voidly probes Tanzania every 5 minutes from 37+ global probe nodes. Upstream OONI, IODA, and CensoredPlanet feeds refresh every 6 hours. The country snapshot was last regenerated 2026-05-23.
Q06

How can I check if a specific website is blocked in Tanzania?

+
Three options. (1) REST: GET https://api.voidly.ai/v1/accessibility/check?domain=twitter.com&country=TZ. (2) MCP: npx @voidly/mcp-server, then call check_domain_blocked with domain="twitter.com" country="TZ". (3) CLI: npx @voidly/cli check twitter.com TZ. All three return current status, blocking method, and evidence permalinks.
Q07

Can I use a VPN to bypass censorship in Tanzania?

+
Use Voidly VPN Enable encrypted DNS Monitor local conditions The full per-country recommendation list is on this page below.
Q08

How do I cite Voidly's data on Tanzania in a paper or article?

+
Use the BibTeX or RIS export at https://voidly.ai/cite/TZ (also linked from the Citation section below). Permanent incident IDs (e.g., TZ-2026-NNNN) are issued for every confirmed event. License: CC BY 4.0 — credit Voidly Research and link back.

Cite this data

Voidly Research. (2026). Tanzania Censorship Profile. https://voidly.ai/tz

License: CC BY 4.0 — free to use with attribution.

Back to AtlasLive FeedView MapEmbed WidgetGet Voidly VPN