Probably significantly less actually. Because all the encryption and communication protocols are open source and regularily audited, they have become more and more secure. All sides of this conflict have an interest in these systems being secure because everyone indcluding the feds themselves are using them. From looking at actual cases they have to either wait for a zero day to infiltrate a phone remotely or physically compromise it (airport, etc).
Back when every country was developing its own IT systems, it was different, but now everything is globalized. If Russia/Iran/China is suffering from a 0day, chances are the US is suffering from it aswell.
Have you given your email address to any other people you know? If so they probably put it into their contacts. They then use apps like whatsapp, insta, snap, etc which request access to their contacts. These companies then sell that information to ad companies. Tadaaa.