statista countries with the most facebook users 2018 230~500M Africans, Indonesians, and Indians are regular Internet users without a landline. Brazil, Indonesia, and Mexico add ~200M more. In total, something like 1B people were wireless-only at the end of Q3 2017. I'm comparing the number of Facebook users (over 250M in India) with the number of landlines (< 20M in India) for a rough guess at how many are wireless only. In the developed world, 70-90% of all homes have a landline connection, implying fewer than 100M are wireless only.

About 65% of Internet users are now in the Global South. The gap is increasing by about 50M/year.

With many wireless users on 4G LTE at more than 10 megabits down, wireless needs to be considered to understand the primary connections to the Internet today. In particular, the Global North dominates ICANN, 3GPP (until recently,) and the Internet Society. The U.S. under Trump continues to demand these groups make the rules for the net.

The 65% of the world in the Global South think that's reprehensible, particularly as the economic terms of "Internet Governance" are set by the richer countries. In 2012, I predicted that systems virtually excluding the majority of Internet users would prove unstable; we've seen the development of the World Internet Conference & the BRICS events become more important. Russia is setting up their own Internet root.  

Wired connections are shared among the household. I'm therefore adjusting from ~1B people using wireless only to ~500M  "connections." The U.S. in January 2018 had 105M landline net connections and 240M Facebook users. 72% of Americans on the Internet use Facebook. The figure is probably lower where English is not the primary language. That's useful for an approximation, understanding there is at least a 10% margin of uncertainty.

I have from numbers from Point-Topic on the number of landlines and reasonable estimates from GSMA on the wireless phone side side. I could have refined these figures with a little more work, as an analyst report would. But the primary sources on the wireless side have a large  margin of error. The definition of "Regular Internet User" is unclear. If someone signs on to Facebook and reads the news every day, but uses a 2G phone, should she be included? There are over 100M 2G mobiles on Facebook.

Better data welcome. (Updated April 7 to include > 100M Indonesians.)

Here are the Facebook figures via Statista and Hootsuite.

statista countries with the most facebook users 2018 650

dave ask

Newsfeed

The 3.3-4.2 spectrum should be shared, not exclusively used by one company, concludes an important U.S. Defense Innovation Board report. If more wireless broadband is important, sharing is of course right because shared networks can yield far more

It does work! Verizon's mmWave tests over a gigabit in the real world. 
The $669 OnePlus 7 Pro outclasses the best Apples and probably the new Galaxy 10 or Huawei P30 Pro. Optical zoom, three cameras, liquid cooling, Qualcomm 855 and more.
Korea at 400,000 5G May 15. Chinese "pre-commercial" signing customers, 60,000-120,000 base stations in 2019, million+ remarkable soon. 
5G phones Huawei Mate 20, Samsung Galaxy 10, ZTE Nubia, LG V50, and OPPO are all on sale at China Unicom. All cost US$1,000 to 1,500 before subsidy. Xiaomi promises US$600.
Natural monopoly? Vodafone & Telecom Italia to share 5G, invite all other companies to join.
Huawei predicts 5G phones for US$200 in 2021, $300 even earlier
NY Times says "5G is dangerous" is a Russian plot. Really.
Althiostar raised US$114 million for a virtual RAN system in the cloud. Rakuten, Japan's new #4, is using it and invested.
Ireland is proposing a US$3 billion subsidy for rural fibre that will be much too expensive. Politics.
Telefonica Brazil has 9M FTTH homes passed and will add 6M more within two years. Adjusted for population, that's more than the U.S. The CEO publicly urged other carriers to raise prices together.
CableLabs and Cisco have developed Low Latency XHaul (LLX) with 5-15 ms latency for 5G backhaul,  U.S. cable is soon to come in very strong in wireless. Details 
Korea Telecom won 100,000 5G customers in the first month. SK & LG added 150,000 more. KT has 37,500 cells. planning 90% of the country by yearend. 
The Chinese giants expect 60,000 to 90,000 5G cells by the end of 2019.
China Telecom's Yang Xin warns, "Real large-scale deployment of operators' edge computing may be after 2021." Customers are hard to find.
Reliance Jio registered 97.5% 4G availability across India in Open Signal testing. Best in world.

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Welcome On Oct 1, 2019 Verizon turned on the first $20B 5G mmWave network with extraordinary hopes. The actual early results have been dismal. Good engineers tell me that will change. Meanwhile, the hype is unreal. Time for reporting closer to the truth.

The estimates you hear about 5G costs are wildly exaggerated. Verizon is building the most advanced wireless network while reducing capex. Deutsche Telekom and Orange/France Telecom also confirm they won't raise capex.

Massive MIMO in either 4G or "5G" can increase capacity 3X to 7X, including putting 2.3 GHz to 4.2 GHz to use. Carrier Aggregation, 256 QAM, and other tools double and triple that. Verizon sees cost/bit dropping 40% per year.

Cisco & others see traffic growth slowing to 30%/year or less.  I infer overcapacity almost everywhere.  

Believe it or not, 80% of 5G (mid-band) for several years will be slower than good 4G, which is more developed.